#include <stdio.h>

int main(void)
{
	char s[11];
	int i, j;
	char tmp;

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

	tmp = s[i];
	s[i] = s[j];
	s[j] = tmp;

	printf("%s\n", s);

	return 0; 
}