import sys

from collections import Counter



sys.setrecursionlimit(10**7)

 

inf = 1<<100

 

def solve():

    a, b, c = list(map(int, input().split()))



    print(('Yes' if a <= c <= b else 'No'))



if __name__ == '__main__':

    solve()
import sys

 

def solve():

    a, b, c = list(map(int, input().split()))

    

    print(('Yes' if a <= c <= b else 'No'))



if __name__ == '__main__':

    solve()
import sys
from collections import Counter

sys.setrecursionlimit(10**7)
inf = 1 << 100


def solve():
    a, b, c = list(map(int, input().split()))
    print(("Yes" if a <= c <= b else "No"))


if __name__ == "__main__":
    solve()

import sys


def solve():
    a, b, c = list(map(int, input().split()))
    print(("Yes" if a <= c <= b else "No"))


if __name__ == "__main__":
    solve()

-from collections import Counter - -sys.setrecursionlimit(10**7) -inf = 1 << 100