using System; using System.Linq; using System.Collections.Generic; namespace _0056 { class Program { static void Main(string[] args) { var s = Console.ReadLine().Split().Select(i => long.Parse(i)).ToArray(); var d = s[0]; var p = ((s[1] * 1.0) / 100) + 1.0; Console.WriteLine(Math.Truncate(d * p)); } } }