/*
ID: zeljkov1
PROG: ride
LANG: C++
*/
#include <iostream>
#include <string>
#include <fstream>
using namespace std;

int main()
{
    ofstream fout ("test.out");
    ifstream fin ("test.in");
    int res,res1;
    char s[10],sp[10];
    res =1;
    res1 =1;
    cin >> s;
    cin >> sp;
    for (int i=0;i<strlen(s);i++)
        {
            if (s[i]=='A') res=res*1;
            else if (s[i]=='B') res=res*2;
            else if (s[i]=='C') res=res*3;
            else if (s[i]=='D') res=res*4;
            else if (s[i]=='E') res=res*5;
            else if (s[i]=='F') res=res*6;
            else if (s[i]=='G') res=res*7;
            else if (s[i]=='H') res=res*8;
            else if (s[i]=='I') res=res*9;
            else if (s[i]=='J') res=res*10;
            else if (s[i]=='K') res=res*11;
            else if (s[i]=='L') res=res*12;
            else if (s[i]=='M') res=res*13;
            else if (s[i]=='N') res=res*14;
            else if (s[i]=='O') res=res*15;
            else if (s[i]=='P') res=res*16;
            else if (s[i]=='Q') res=res*17;
            else if (s[i]=='R') res=res*18;
            else if (s[i]=='S') res=res*19;
            else if (s[i]=='T') res=res*20;
            else if (s[i]=='U') res=res*21;
            else if (s[i]=='V') res=res*22;
            else if (s[i]=='W') res=res*23;
            else if (s[i]=='X') res=res*24;
            else if (s[i]=='Y') res=res*25;
            else if (s[i]=='Z') res=res*26;
        }
    for (int i=0;i<strlen(sp);i++)
        {
            if (sp[i]=='A') res1=res1*1;
            else if (sp[i]=='B') res1=res1*2;
            else if (sp[i]=='C') res1=res1*3;
            else if (sp[i]=='D') res1=res1*4;
            else if (sp[i]=='E') res1=res1*5;
            else if (sp[i]=='F') res1=res1*6;
            else if (sp[i]=='G') res1=res1*7;
            else if (sp[i]=='H') res1=res1*8;
            else if (sp[i]=='I') res1=res1*9;
            else if (sp[i]=='J') res1=res1*10;
            else if (sp[i]=='K') res1=res1*11;
            else if (sp[i]=='L') res1=res1*12;
            else if (sp[i]=='M') res1=res1*13;
            else if (sp[i]=='N') res1=res1*14;
            else if (sp[i]=='O') res1=res1*15;
            else if (sp[i]=='P') res1=res1*16;
            else if (sp[i]=='Q') res1=res1*17;
            else if (sp[i]=='R') res1=res1*18;
            else if (sp[i]=='sp') res1=res1*19;
            else if (sp[i]=='T') res1=res1*20;
            else if (sp[i]=='U') res1=res1*21;
            else if (sp[i]=='V') res1=res1*22;
            else if (sp[i]=='W') res1=res1*23;
            else if (sp[i]=='X') res1=res1*24;
            else if (sp[i]=='Y') res1=res1*25;
            else if (sp[i]=='Z') res1=res1*26;
        }
    if (res%47 == res1%47) cout <<"GO"<<endl;
    else cout <<"STAY"<<endl;
    return 0;
}