USACO Your Ride Is Here

Code

/*
ID: wcr19961
PROG: ride
LANG: C++11
*/
#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;

typedef long long LL;
const int maxn = 7;
const int mod = 47;
char a[maxn], b[maxn];

int main() {
  freopen("ride.in", "r", stdin);
  freopen("ride.out", "w", stdout);
  scanf("%s%s", a, b);
  int len1 = int(strlen(a)), len2 = int(strlen(b));
  int cnt1 = 1, cnt2 = 1;
  for (int i = 0; i < len1; ++i) {
    cnt1 *= a[i] - 'A' + 1;
  }
  for (int i = 0; i < len2; ++i) {
    cnt2 *= b[i] - 'A' + 1;
  }
  puts(cnt1 % mod == cnt2 % mod ? "GO" : "STAY");
  return 0;
}