import java.util.Scanner;
public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);

    int a = sc.nextInt();
    int b = sc.nextInt();
    int c = sc.nextInt();
    int d = sc.nextInt();
    int s = sc.nextInt();

    int N = s*(a-b);
    int B = s*(c-d);

    if(N>B){
      System.out.println("Nikky");
    }

    else if(B>N){
      System.out.println("Byron");
    }

    else if(B==N){
      System.out.println("Tied");
    }
  }
}