1083：计算星期几

#include<iostream>
#include<cstdio>
#include<math.h>
using namespace std;
int main()
{
    int a,b,sum=1,day;
scanf("%d%d",&a,&b);
for(int i=1;i<=b;i++)
{
sum=sum*a;
sum=sum%7;
}
    if(sum==1)
cout<<"Monday"<<endl;
else if(sum==2)
cout<<"Tuesday"<<endl;
else if(sum==3)
cout<<"Wendesday"<<endl;
else if(sum==4)
cout<<"Thursday"<<endl;
else if(sum==5)
cout<<"Friday"<<endl;
else if(sum==6)
cout<<"Saturday"<<endl;
else if(sum==0)
cout<<"Sunday"<<endl;
return 0;
}