#include <stdio.h>
int main(void){
	char str[10];
	scanf("%s",str);
	int element1,element2;
	scanf("%d%d",&element1,&element2);
	
	char tmp = str[element1];
	str[element1] = str[element2];
	str[element2] = tmp;
	
	printf("%s",str);
	
}