EPIGRAMS - Backwards alphabetized epigrams

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Constraints
Whoa...

Description

Given text, determine whether or not the words are arranged in reverse alphabetical order.

Input

The first line is the number of words. The next line has the words, and consists only of ASCII lowercase letters and single spaces. The total length is at most 1000 characters.
Input
16
yeah writers working under tight restrictions produce novel material like for example epigrams employing backward alphabetization
Output
yes
Input
4
correct horse battery staple
Output
no
Input
25
na na na na na na na na na na na na na na na na na na na na na na na na batman
Output
yes

hide comments
Mitch Schwartz: 2013-10-24 22:19:07

Moved to tutorial.


Added by:BYU Admin
Date:2013-10-18
Time limit:1s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Languages:All except: ASM64