using System;

public class Program

{

    public static void Main()

    {

        int t1 = 60,t2 = 51,t3 = 70;

        if (t1 > 50)

        {

            if(t2 > 50)

            {

                if(t3 > 50)

                {

                    Console.WriteLine("Uspěl");

                }

            }

        }

    }

}