USACO 1.1.1 Your Ride Is Here

/*ID: ilecy161LANG: C++TASK: ride*/#include <stdio.h>char a[110],b[110];int i,x,y;int main(){    freopen("ride.in","r",stdin);    freopen("ride.out","w",stdout);    x=1;y=1;    scanf("%s",&a);    scanf("%s",&b);    for (i=0;a[i];i++)        x*=a[i]-64;    for (i=0;b[i];i++)        y*=b[i]-64;     if (x%47==y%47) printf("GO\n");    else printf("STAY\n");    return 0;}