#include <iostream>
#include <fstream>

using namespace std;

int main(){
    ifstream fin("input.txt");
    if(!fin.is_open()){
        cout << "Can not  open input.txt";
        return 0;
    }
    int N;
    fin >> N;
    int A;
    fin >> A;
    int B;
    fin >> B;

    if(A == B){
        cout << "Tul konnyu!";
        return 0;
    }
    if(A < B){
        int x;
        x = B - A + 1;
        if(x < 5){
            cout << "Tul konnyu!";
            return 0;
        }
        else{
            cout << x;
            return 0;
        }

    }
    else {
        int x;
        x = (N - A) + B + 1;
        if(x < 5){
            cout << "Tul konnyu!";
            return 0;
        }
        else{
            cout << x;
            return 0;
        }
    }
}