using System;
public class Program
{
public static void Main()
for(int i = 1;i<=25;i++)
Console.WriteLine("numbers");
int num1=int.Parse(Console.ReadLine());
int num2=int.Parse(Console.ReadLine());
int num3=int.Parse(Console.ReadLine());
int mem = (num1+num2+num3)/3;
Console.WriteLine("mem"+" "+mem);
}