include <bits/stdc++.h>

using namespace std;

void _ys(int x) {

cout << x << "=";
for (int b = 2; b <= x; b++) {
	while (x % b == 0) {
		if (x == b)
			cout << b;
		else
			cout << b << "*";
		x /= b;
	}
}
cout << endl;

}

int main() {

int a, b;
cin >> a >> b;
for (int i = a; i <= b; i++) {
	_ys(i);
}
return 0;

}