using System;

​

public class Program

{

    public static void Main()

    {

        int a, gr, gi;

        a = 123;

        gr = a / 10;

        gi = gr - gr / 10 * 10;

        gr = a / 100;

        a = a - a / 10 * 10;

        Console.WriteLine("gm=" + a + gi + gr);

    }

}