#include<iostream>
using namespace std;
const char a[27]={' ','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'};
int num_UFO=1,num_USACO=1;
int main(){
    char UFO[7],USACO[7];
   cin>>UFO>>USACO;
    for(int i=0;i<sizeof(UFO);i++) for(int j=1;j<=27;j++){
        if(UFO[i]==a[j])num_UFO=num_UFO*j;
    }for(int i=0;i<sizeof(USACO);i++) for(int j=1;j<=27;j++){
        if(USACO[i]==a[j])num_USACO=num_USACO*j;
    }
    if(num_UFO%47==num_USACO%47) cout<<"GO";
    else cout<<"STAY";
    return 0;
} 

#include<iostream>
using namespace std;
const char a[27]={' ','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'};
int num_UFO=1,num_USACO=1;
int main(){
    char UFO[7],USACO[7];
   cin>>UFO>>USACO;
    for(int i=0;i<sizeof(UFO);i++) for(int j=1;j<=27;j++){
        if(UFO[i]==a[j])num_UFO=num_UFO*j;
    }for(int i=0;i<sizeof(USACO);i++) for(int j=1;j<=27;j++){
        if(USACO[i]==a[j])num_USACO=num_USACO*j;
    }
    if(num_UFO%47==num_USACO%47) cout<<"GO";
    else cout<<"STAY";
    return 0;
}