Class Task 23#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication3
{
    class Program
    {
        static void Main(string[] args)
        {
            int num1, num2, mone1, mone2, max1 = 0, max2 = 0;
            for (int i = 0; i < 20; i++)
            {
                num1 = int.Parse(Console.ReadLine());
                num2 = int.Parse(Console.ReadLine());
                while (num1 > 0)
                {
                    mone1 = num1 % 10;
                    max1 = Math.Max(max1, mone1);
                    num1 = num1 / 10;
                }
                while (num2 > 0)
                {
                    mone2 = num2 % 10;
                    max2 = Math.Max(max2, mone2);
                    num2 = num2 / 10;
                }
                Console.WriteLine((max2 + max1) / 2);
            }
        }
    }
}