#include <bits/stdc++.h>
#define int long long
using namespace std;
signed main() {
	int n;
	cin >> n;
	n -= 2025;
	for (int i = 1; i <= 9; i++) {
		for (int j = 9; j >= 1; j--) {
			if (i * j == n) {
				printf("%d x %d\n", i, j);
			}
		}
	}
	return 0;
}