Remove Character at Index N

Background

This problem tests basic string manipulation.

Problem Description

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

Input Format

Input is given from standard input in the following format.

s n

Output Format

Output is printed to standard output in the following format.

result_s

Sample

kitten"
1

ktten"

kitten"
0

itten"

kitten"
4

kittn"

Sample Explanation

In the first sample, the string is kitten". After removing the character 'i' at index $1$, we get ktten". In the second sample, the string is kitten". After removing the character 'k' at index $0$, we get itten". In the third sample, the string is kitten". After removing the character 'e' at index $4$, we get kittn".

Constraints

Time limit: $1$ second, Memory limit: $1024$ KiB for each test case.