import sys


def main():
    # sys.setrecursionlimit(100000)
    input = lambda: sys.stdin.readline()[:-1]
    N = input()
    M = input()

    print("Yes")


if not __debug__:
    f = open(sys.argv[1], "r")
    sys.stdin = f

# try:
#     sys.set_int_max_str_digits(100000)
# except AttributeError:
#     pass

main()