#include <cstdio>
#include <iostream>
#include<cstring>
using namespace std;
int main() {
    char a[10],b[10];
    int i,j;
    long long asum=1,bsum=1;
    cin>>a;
    cin>>b;
    for(i=0;i<strlen(a);i++){
        asum*=a[i]-'A'+1;}
for(i=0;i<strlen(b);i++){
        bsum*=b[i]-'A'+1;
    }
    if((asum%47)==(bsum%47))
        cout<<"GO";
    else
        cout<<"STAY";    
    return 0;
}