문제

https://www.acmicpc.net/problem/1001

C# 풀이

using System;

namespace baekjoon
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();
            string[] number = input.Split(' ');
            int numberA = int.Parse(number[0]);
            int numberB = int.Parse(number[1]);
            Console.WriteLine(numberA - numberB);
        }
    }
}