A299.计算日期题解：

A299.计算日期

#include <bits/stdc++.h>
using namespace std;
int n,x;
int main(){
    cin>>n;
    x=(n+1)%7;
    if(x==1)cout<<"monday";
    if(x==2)cout<<"tuesday";
    if(x==3)cout<<"wednesday";
    if(x==4)cout<<"thursday";
    if(x==5)cout<<"friday";
    if(x==6)cout<<"saturday";
    if(x==0)cout<<"sunday";

    return 0;
}