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Score : $100$ points

### Problem Statement

You are given a string $S$ consisting of lowercase English letters.

Swap the $a$-th and $b$-th characters from the beginning of $S$ and print the resulting string.

### Constraints

• $S$ is a string consisting of lowercase English letters.
• The length of $S$, $|S|$, satisfies $2 \leq |S| \leq 10$.
• $1 \leq a < b \leq |S|$
• $a$ and $b$ are integers.

### Input

Input is given from Standard Input in the following format:

$S$
$a$ $b$


### Sample Input 1

chokudai
3 5


### Sample Output 1

chukodai


After swapping the $3$-rd character o and $5$-th character u of chokudai, we have chukodai.

### Sample Input 2

aa
1 2


### Sample Output 2

aa


In this sample, after swapping the $1$-st and $2$-nd characters of $S$, we have the same string as $S$.

### Sample Input 3

aaaabbbb
1 8


### Sample Output 3

baaabbba