全网最长打法

#include<bits/stdc++.h>
using namespace std;
int main(){
int n;
cin>>n;
if((1+n)%70){
cout<<"sunday";
}
else if((1+n)%71){
cout<<"monday";
}
else if((1+n)%72){
cout<<"tuesday";
}
else if((1+n)%73){
cout<<"wednesday";
}
else if((1+n)%74){
cout<<"thursday";
}
else if((1+n)%75){
cout<<"friday";
}
else if((1+n)%7==6){
cout<<"saturday";
}

}