#include <bits/stdc++.h>

using namespace std;
int main() {
    //小红a，小明b
    for (int a = 1; a <= 100; a++)
        for (int b = 1; b <= 100; b++) {
            if (2 * (b - (a - b)) == a && a + (a - b) == 2 * b - 9) {
                cout << a << " " << b << endl;
                break;
            }
        }
    return 0;
}