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
import sys

nums = [ int( val ) for val in sys.stdin.readline().split( " " ) ]
if nums[0] < nums[1] and nums[1] < nums[2]:
	print( "Yes" )
else:
	print( "No" )