using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace all
{
    class Program
    {
        static void Main(string[] args)
        {
			int A,B,C,jumlah,kurang,kali;
				A = jumlah = (5 + 7);
				Console.WriteLine("A");
				B = kurang = (5 - 7);
				Console.WriteLine("B");
				C = kali = (5 * 7);
				Console.WriteLine("C");
        }
    }
}