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.

Input

Input is given from Standard Input in the following format:
S
a b

Output

Print the answer.

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.

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

见题面 Input 部分

见题面 Output 部分