Score : $100$ points
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.
Input is given from Standard Input in the following format:
$S$ $a$ $b$
Print the answer.
chokudai 3 5
After swapping the $3$-rd character
o and $5$-th character
chokudai, we have
aa 1 2
In this sample, after swapping the $1$-st and $2$-nd characters of $S$, we have the same string as $S$.
aaaabbbb 1 8