Write a program which reads three integers a, b and c, and prints "Yes" if a < b < c, otherwise "No".

Constraints

* 0 ≤ a, b, c ≤ 100

Input

Three integers a, b and c separated by a single space are given in a line.

Output

Print "Yes" or "No" in a line.

Examples

Input

1 3 8


Output

Yes


Input

3 8 1


Output

No
#!/usr/bin/env python
#-*- coding: utf-8 -*-

# http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=ITP1_2_B

if __name__ == '__main__':
    a, b, c = map(int, raw_input().split())
    if a < b < c:
        print "Yes"
    else:
        print "No"
