#89. twoTwo

twoTwo

Background

Description

Given an array of ints, return true if every 2 that appears in the array is next to another 2.

Format

Input

Output

Samples

[4 2 2 3]
true
[2 2 4]
true
[2 2 4 2]
false

Limitation

1s, 1024KiB for each test case.