#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <map>
#include <set>
#include <stdio.h>
#include <cstring>
#include <queue>
#include <stack>
#include <functional>
#include <math.h>
#include <iomanip>
using namespace std;
#define Would
#define you
const int INF = 999999999;
const int MOD = 1e9 + 7;

int main() {
	string h;
	int a, b;
	cin >> h >> a >> b;
	char k = h[b];
	h[b] = h[a];
	h[a] = k;
	cout << h << endl;
}