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)

#!/usr/local/bin/ruby
# coding: euc-jp
i=gets.split
a=i[0].to_i
b=i[1].to_i
c=i[2].to_i

if a<b && b<c
   printf("Yes\n")
else
   printf("No\n")
end