#include <bits/stdc++.h>

using namespace std;

int main() {
    //ios::sync_with_stdio(false); //读入输出优化的强迫症

    int a, b, c;
    cin >> a >> b >> c;
    bool found = false;
    for (int i = 10; i < 100; i++) {
        if (i % 3 == a && i % 5 == b && i % 7 == c) {
            found = true;
            cout << i << endl;
        }
    }
    if (!found) {
        cout << "No answer" << endl;
    }
    return 0;
}