using System;
public class Program
{
public static void Main()
Console.WriteLine("Rogelio Eduardo Hernandez Guzman");
Console.WriteLine(test(53));
Console.WriteLine(test(30));
Console.WriteLine(test(51));
Console.ReadLine();
}
public static int test(int n)
const int x = 51;
if (n > x)
return (n - x)*3;
return x - n;