USACO之Section1.1.1 Your Ride Is Here

USACO之旅开始啦！
先放上一题。

/*    ID:m1519591    PROG:ride    LANG:C++*/#include<iostream>#include<fstream>#include<string>using namespace std;int main(){    ofstream fout("ride.out");    ifstream fin("ride.in");    string str1,str2;    int len1,len2;    int mul1=1,mul2=1;    while(fin>>str1>>str2)    {        len1=str1.length();        len2=str2.length();        for(int i=0;i<=len1-1;i++)        {            mul1*=(str1[i]-'A'+1);        }        for(int i=0;i<=len2-1;i++)        {            mul2*=(str2[i]-'A'+1);        }        mul1%=47;        mul2%=47;        if(mul1==mul2)        fout<<"GO"<<endl;        else        fout<<"STAY"<<endl;    }    return 0;}