#include<bits/stdc++.h>

using namespace std;

int main() {
    int a, b, c;
    while (cin >> a >> b >> c) {
        bool flag = 0;
        for (int n = 10; n <= 100; n++) {
            if (n % 3 == a && n % 5 == b && n % 7 == c) {
                cout << n << endl;
                break;
            }
        }
        if (flag == 0) {
            cout << "No answer" << endl;
        }
    }
    return 0;
}