using System;

public class Program

{

    //Goal is to make M1 = M2

    public static void Main()

    {

        string[] E = new string[]  { "band", "bond", "bear", "cars", "fond", "food", "foot", "hand", "head"};

        string M1 = "hand";

        string M2 = "foot";

        char[] temp = M1.ToCharArray();

        for(int i = 0;i<M2.Length;i++)

        {

            temp[i] = M2[i];

        }

        M1 = new string(temp);

        Console.WriteLine(M1);

    }

}