#include <stdio.h>
using namespace std;

int main(void)
{
    int i, j;
    char tmp;
    char word[20];
    scanf("%s", word);
    scanf("%d", &i);
    scanf("%d", &j);

    tmp = word[j];
    word[j] = word[i];
    word[i] = tmp;

    printf("%s", word);
}