구름 난이도 1 운동 중독 플레이어

import java.io.*;
class Main {
	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String input = br.readLine();
		int W = Integer.parseInt(input.split(" ")[0]);
		int R = Integer.parseInt(input.split(" ")[1]);
		int RM = (int) Math.floor( W * ( 1 + (R/30D) ) );
		
		System.out.println(RM);
	}
}