c++

#include<iostream>
using namespace std;
int main()
{
    int a,b;
    int n=1;
    int i;
    cin>>a>>b;
    for(i=1; i<=b; i++)
      n=n*a%7; //循环计算n天后是周几
    switch(n)
    {
        case 0:
            cout<<"Sunday"<<endl;
            break;
        case 1:
            cout<<"Monday"<<endl;
            break;
        case 2:
            cout<<"Tuesday"<<endl;
            break;
        case 3:
            cout<<"Wednesday"<<endl;
            break;
        case 4:
            cout<<"Thursday"<<endl;
            break;
        case 5:
            cout<<"Friday"<<endl;
            break;
        case 6:
            cout<<"Saturday"<<endl;
            break;
    }
    return 0;
}