Problem hidden
This problem was hidden by Editorial Board member probably because it has incorrect language version or invalid test data, or description of the problem is not clear.

EIINCRDES - Order of the sequence

Given an array of length n. Check if the array is strictly increasing or strictly decreasing. An array, named A is strictly increasing if A[i] > A[i-1] for every i ≥ 1

Input

The first line contains the length of the array n (1< n ≤ 105)

The second line contains n integers which are elements of the array, respectively.

Output

If the given array is strictly increasing, output “increasing”.

If the given array is strictly decreasing, output “decreasing”, otherwise output “none”.

Sample

 

Input

Output

4

1 1 1 1

none

3

1 2 2

none


Added by:Ha Minh Ngoc
Date:2019-12-15
Time limit:1s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Languages:CSHARP C++ 4.3.2 CPP CPP14 CPP14-CLANG FSHARP GO JAVA JS-MONKEY NODEJS PHP PYTHON PYPY PYPY3 PYTHON3 RUBY SQLITE SWIFT VB.NET
© Spoj.com. All Rights Reserved. Spoj uses Sphere Engine™ © by Sphere Research Labs.