tj

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