'''input
6 5 4
No

1 3 2
Yes

'''

# -*- coding: utf-8 -*-

# AtCoder Beginner Contest
# Problem A

if __name__ == '__main__':
    a, b, c = map(int, input().split())

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

'''input
6 5 4
No

1 3 2
Yes

'''

# -*- coding: utf-8 -*-

# AtCoder Beginner Contest
# Problem A

if __name__ == '__main__':
    a, b, c = map(int, input().split())

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

input
 6 5 4
 No
 
 1 3 2
 Yes # -*- coding: utf-8 -*- # AtCoder Beginner Contest # Problem A