/*
    No.729 文字swap
    https://yukicoder.me/problems/no/729
*/
#include <bits/stdc++.h>
using namespace std;

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);

    string s;
    cin >> s;
    int i, j;
    cin >> i >> j;

    for (int k = 0; k < (int)s.size(); k++) {
        if (k == i) {
            cout << s[j];
        } else if (k == j) {
            cout << s[i];
        } else {
            cout << s[k];
        }
    }
    cout << endl;
}