#include <bits/stdc++.h>
using namespace std;

int main() {
    string comet, group;
    cin >> comet >> group;

    long product1 = 1, product2 = 1;

    for (char ch : comet) {
        product1 *= (ch - 'A' + 1);
    }

    for (char ch : group) {
        product2 *= (ch - 'A' + 1);
    }

    if ((product1 % 47) == (product2 % 47)) {
        cout << "GO" << endl;
    } else {
        cout << "STAY" << endl;
    }

    return 0;
}