include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}

include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;
for (int i = 0; i <= 100000; i++) {
	cin >> a >> b;
	while (cin, a, b) {

		cout << a + b << endl;
		a = 0, b = 0;
	}
}
return 0;

}