#include <string>
#include <iostream>

using namespace std;

int main(void){
  string s="Tere,Juku";
  int tyhik=s.find(" ");
  if(tyhik==string::npos){
     cout << "puudub" << endl;                        
  } else {
    cout << "tyhik kohal " << tyhik << endl;
}
  return 0;    
}