一本通1083；计算星期几

代码；

#include 
using namespace std;
int main()
{
    int a, b, power = 1;
    cin >> a >> b;
    for (int i = 1; i <= b; i++)
    {
        power *= a;
        power %= 7;
    }
    switch (power)
    {
        case 0: cout << "Sunday"; break;
        case 1: cout << "Monday"; break;
        case 2: cout << "Tuesday"; break;
        case 3: cout << "Wednesday"; break;
        case 4: cout << "Thursday"; break;
        case 5: cout << "Friday"; break;
        case 6: cout << "Saturday"; break;
    }
    return 0;
}