#include <fstream>
#include <iostream>
#include <string>


int main() {

	//std::ifstream inf("Text.txt");	std::cin.rdbuf(inf.rdbuf());
	std::string S;
	std::cin >> S;

	int i = 0, j = 0;
	std::cin >> i >> j;

	char temp = 0;
	temp = S[i];
	S[i] = S[j];
	S[j] = temp;

	std::cout << S << std::endl;

	return 0;
}