import java.util.*;
import java.lang.*;
import java.io.*;

class Main
{
	public static void main (String[] args) 
	{
		// 入力値の読み込み
		Scanner sc = new Scanner(System.in);
		int  d = sc.nextInt();
		int  p = sc.nextInt();
		System.out.println(d + d*p/100);
	}
}