import java.util.*;

public class Main {

    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        int i = sc.nextInt();
        int j = sc.nextInt();
        System.out.println(exchange(s,i,j));
    }
    
    static String exchange(String s, int i, int j) {
        char [] arr = s.toCharArray();
        char tmp = arr[i];
        arr[i] = arr[j];
        arr[j] = tmp;
        return String.valueOf(arr);
    }
}