Problem:
Range

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

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.

Constraints

0 ≤ a, b, c ≤ 100

Sample Input 1

1 3 8

Sample Output 1

Yes

Sample Input 2

3 8 1

Sample Output 2

No

Solution in Ruby (judge verdict: Accepted)

# -*- coding: utf-8 -*-
a,b,c=gets.split(" ")
if((a.to_i<b.to_i)&&(b.to_i<c.to_i))
  puts "Yes"
else
  puts "No"
end