#include "stdio.h"

int main(void){
    char str[10];
    char dammy=0;
    int i=0;
    int j=0; 

    scanf("%s",str);
    scanf("%d%d",&i,&j);

    dammy = str[i];
    str[i] = str[j];
    str[j] = dammy;
    
    printf("%s\n",str);
    return 0;
}