ALCBC B問題解答

ALCBC_B.gyp

import sys
def input(): return sys.stdin.readline().rstrip()
def main():
    a, b, c, d = map(int,input().split())
    if max(a, c) <= min(b,d):
        print("Yes")
    else:
        print("No")

if __name__=='__main__':
    main()