[백준] 2914번 : 저작권 - C#

https://www.acmicpc.net/problem/2914

using System;

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