#include "bits/stdc++.h" using namespace std; int main(){ string a,b; cin>>a>>b; int ans=1,ans1=1; for(int i=0;i<a.size();i++){ if(a[i]=='A')ans*=1; if(a[i]=='B')ans*=2; if(a[i]=='C')ans*=3; if(a[i]=='E')ans*=4; if(a[i]=='F')ans*=5; if(a[i]=='G')ans*=6; if(a[i]=='H')ans*=7; if(a[i]=='I')ans*=8; if(a[i]=='J')ans*=9; if(a[i]=='K')ans*=10; if(a[i]=='L')ans*=11; if(a[i]=='M')ans*=12; if(a[i]=='N')ans*=13; if(a[i]=='O')ans*=14; if(a[i]=='P')ans*=15; if(a[i]=='Q')ans*=16; if(a[i]=='B')ans*=17; if(a[i]=='R')ans*=18; if(a[i]=='S')ans*=19; if(a[i]=='T')ans*=20; if(a[i]=='U')ans*=21; if(a[i]=='V')ans*=22; if(a[i]=='W')ans*=23; if(a[i]=='X')ans*=24; if(a[i]=='Y')ans*=25; if(a[i]=='Z')ans*=26; } for(int i=0;i<b.size();i++){ if(b[i]=='A')ans1*=1; if(b[i]=='B')ans1*=2; if(b[i]=='C')ans1*=3; if(b[i]=='E')ans1*=4; if(b[i]=='F')ans1*=5; if(b[i]=='G')ans1*=6; if(b[i]=='H')ans1*=7; if(b[i]=='I')ans1*=8; if(b[i]=='J')ans1*=9; if(b[i]=='K')ans1*=10; if(b[i]=='L')ans1*=11; if(b[i]=='M')ans1*=12; if(b[i]=='N')ans1*=13; if(b[i]=='O')ans1*=14; if(b[i]=='P')ans1*=15; if(b[i]=='Q')ans1*=16; if(b[i]=='B')ans1*=17; if(b[i]=='R')ans1*=18; if(b[i]=='S')ans1*=19; if(b[i]=='T')ans1*=20; if(b[i]=='U')ans1*=21; if(b[i]=='V')ans1*=22; if(b[i]=='W')ans1*=23; if(b[i]=='X')ans1*=24; if(b[i]=='Y')ans1*=25; if(b[i]=='Z')ans1*=26; } if(ans%7==ans1%7)cout<<"GO"; else cout<<"STAY"; }