nyoj 524 A-B Problem

import java.io.*;
import java.util.*;
import java.math.*;
public class gaojingdu{
	public static void main(String[] args){
		Scanner cin = new Scanner(System.in);
		BigDecimal a ,b,c;
		while(cin.hasNext()){
			a = cin.nextBigDecimal();
			b = cin.nextBigDecimal();
			c = a.subtract(b).stripTrailingZeros();
			if(c.compareTo(BigDecimal.ZERO)==0){
				System.out.println("YES");
			}
			else{
				System.out.println("NO");
			}
				
		}
	}
}