import java.util.Scanner;

public class Main56 {
	public static void main(String[] args) {
		Main56 p = new Main56();
	}

	public Main56() {
		Scanner sc = new Scanner(System.in);
		int d =sc.nextInt();
		int p =sc.nextInt();
		solve(d, p);
	}

	public void solve(int d, int p) {
		int res = d*p/100 + d;
		System.out.println(res);
	}

}