Background

Description

Return true if the group of N numbers at the start and end of the array are the same. For example, with {5, 6, 45, 99, 13, 5, 6}, the ends are the same for n=0 and n=2, and false for n=1 and n=3. You may assume that n is in the range 0..nums.length inclusive.

Format

Input

Output

Samples

[5 6 45 99 13 5 6] 1

false

[5 6 45 99 13 5 6] 2

true

[5 6 45 99 13 5 6] 3

false

Limitation

1s, 1024KiB for each test case.