package main

import "fmt"

func main(){
	var A, B int
	fmt.Scan(&A, &B)

	var ans string
	ans = "NO"

	if B == 1 {
		ans = "YES"
	}else{
		for i:=2; i <= A; i++ {
			if (A % i) == 0 {
				if (B % i) == 0 { 
					ans = "YES"
				}
			}
		} 
	}
	fmt.Println(ans)
}