#include<bits/stdc++.h>

using namespace std;
string a;
string B;

int main() {
    cin >> a >> b;
    int sum1 = 1;
    for (int i = 0; i < a.size(); i++) sum1 *= a[i] - 64;//A-->1 则65-1=64
    int sum2 = 1;
    for (int i = 0; i < b.size(); i++) sum2 *= b[i] - 64;
    if (sum1 % 47 == sum2 % 47) cout << "GO" << endl;
    else cout << "STAY" << endl;
    return 0;
}