Java实现 洛谷 P1421 小玉买文具

import java.util.Scanner;


public class Main {

	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		
		System.out.println((int) ( (in.nextInt() + in.nextInt()*0.1)/ 1.9 ) );
	}

}