用最纯朴的代码做最纯朴的题

#include<iostream>
using namespace std;
int main(){
int n;
cin>>n;
if(n%70) cout<<"monday";
if(n%71) cout<<"tuesday";
if(n%72) cout<<"wednesday";
if(n%73) cout<<"thursday";
if(n%74) cout<<"friday";
if(n%75) cout<<"saturday";
if(n%7==6) cout<<"sunday";
return 0;
}