#include<iostream>
using namespace std;

int main(){

  char ch;
  cin>>ch;

  switch(ch){

     case 'm' :

     case 'M' : cout<<"Monday"<<endl;
                break;

     case  'T' : cout<<"Tuesday"<<endl;


    case 't' : cout<<"tuesday";
               break;


     //default : cout<<"enter M or m or T or t";


  }

   return 0;
}