def check_same_amount(inheritance_heir_A, inheritance_heir_B):
    if sum(inheritance_heir_A) != sum(inheritance_heir_B):
        for i in range(len(inheritance_heir_B)):
            coin_10 = inheritance_heir_B.pop()
            inheritance_heir_A.append(coin_10)
            if sum(inheritance_heir_A) == sum(inheritance_heir_B):
                return "YES"
        return "NO"
    return "YES"


def main():
    N = int(input())
    M = int(input())
    inheritance_heir_A = [100] * N
    inheritance_heir_B = [10] * M
    answer = check_same_amount(inheritance_heir_A, inheritance_heir_B)
    print(answer)


if __name__ == "__main__":
    main()