[백준] 1001번 : A-B - C#

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

using System;

class Program
{
    static void Main() {
        string[] s=Console.ReadLine().Split(' ');
        int a=int.Parse(s[0]);
        int b=int.Parse(s[1]);
        Console.Write("{0}",a-b);
    }
}