/* package whatever; // don't place package name! */

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

class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
		Scanner sc = new Scanner(System.in);
    	int D = sc.nextInt();
    	int P = sc.nextInt();
    	
    	System.out.println(D * (100 + P) / 100);
	}
}