include <bits/stdc++.h>

using namespace std;

int main() {

int n, i, m, j = 0, count = 0;
long long a[105], b[105] = {0};
cin >> n;
for (i = 0; i <= n - 1; i++) {
	cin >> a[i];
}
sort(a, a + n);
m = a[0];
for (i = 0; i <= n - 1; i++) {
	if (m != a[i + 1]) {
		b[j] = a[i];
		count++;
		j++;
	}
	m = a[i + 1];
}
for (j = 0; j <= count - 1; j++) {
	cout << b[j] << " ";
}
return 0;

}