#include<bits/stdc++.h>
using namespace std;
char s1[10],s2[10];
int main()
{
    scanf("%s%s",s1,s2);
    int n1=1;for(int i=0;s1[i];i++)n1=n1*(s1[i]-'A'+1)%47;
    int n2=1;for(int i=0;s2[i];i++)n2=n2*(s2[i]-'A'+1)%47;
    if(n1==n2) printf("GO\n");
    else printf("STAY\n");
    return 0;
}