题解

#include<iostream>
using namespace std;
int main(){
    int n;
    cin>>n;
    n=(n+1)%7;
    if(n==1){
        cout<<"monday";
    }
    else if(n==2){
        cout<<"tuesday";
    }
    else if(n==3){
        cout<<"wednesday";
    }
    else if(n==4){
        cout<<"thursday";
    }
    else if(n==5){
        cout<<"friday";
    }
    else if(n==6){
        cout<<"saturday";
    }