#include <stdio.h>

int main(void)
{
    char string[10] = {};
    char c;
    int i,j;
    scanf("%s%d%d",string,&i,&j);
    c = string[i];
    string[i] = string[j];
    string[j] = c;
    printf("%s\n",string);
    return 0;
}