#include<stdio.h>
int main()
{
	char s[11];
	scanf("%s", s);
	int i, j;
	scanf("%d %d", &i, &j);
	s[i] ^= s[j];
	s[j] ^= s[i];
	s[i] ^= s[j];
	printf("%s\n", s);
	return 0;
}