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)

arr = gets.split(" ").map(&:to_i)
output = 'Yes'
arr.each_with_index do |n, i|
  if arr[i+1] && n >= arr[i+1]
    output = 'No'
    break
  end
end
puts output