#include <iostream>
#include <cstring>
#include <cstdio>
using namespace std;
int main(){
    int c,v,ans1,ans2;
	char s[100],a[100];
	cin>>s;
	cin>>a;
	c=strlen(s);
	v=strlen(a);
	for(int i=0;i<c;i++){
		ans1+=s[i];
	}
	ans1%=47;
		for(int j=0;j<v;j++){
		ans2+=s[j];
	}
	ans2%=47;
	if(ans1==ans2){
		cout<<"GO";
	}else{
		cout<<"STAY";
	}
	return 0;
}