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
input_line = raw_input().split()

a = int(input_line[0])
b = int(input_line[1])
c = int(input_line[2])

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