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: Wrong Answer)

n = gets.split(" ")
n[0]=n[0].to_i
n[1]=n[1].to_i
n[2]=n[2].to_i

if n[0] < n[1] && n[1] < n[2]
  puts "yes"
else
  puts "No"
end