usaco Your Ride Is Here

#include<stdio.h>#include<string.h>char a[10],b[10];int main(){int i,j,k,n=1,m=1,l1,l2;freopen("ride.in","r",stdin);freopen("ride.out","w",stdout);scanf("%s%*c%s",&a,&b);l1=strlen(a);l2=strlen(b);for(i=0;i<l1;i++){n*=a[i]-'A'+1;n%=47;}for(i=0;i<l2;i++){m*=(int)b[i]-'A'+1;m%=47;}if(n==m) printf("GO\n");else printf("STAY\n");return 0;}