Background

Description

Given a non-empty string and an int n, return a new string where the char at index n has been removed. The value of n will be a valid index of a char in the original string (i.e. n will be in the range 0..str.length()-1 inclusive).

Format

Input

Output

Samples

kitten" 

"ktten"

kitten" 

"itten"

kitten" 

"kittn"

Limitation

1s, 1024KiB for each test case.