using System;
using System.Diagnostics;

namespace CodeIq
{
	internal class Program
	{
		private static void Main()
		{
			// パラメータ取得
			var line = Console.ReadLine();
			//var line = "25 16";
			if( string.IsNullOrEmpty( line ) )
				return;

			var paramData = line.Split( ' ' );
			var d = decimal.Parse( paramData[0] );
			var p = decimal.Parse( paramData[1] );
			var price = Math.Floor( d + ( ( d * p ) / 100 ) );

			Debug.Print( price.ToString() );
			Console.WriteLine( price );
		}
	}
}