import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String S = scan.next();
		int i = scan.nextInt();
		int j = scan.nextInt();
		scan.close();
		String[] a = S.split("");
		String t1 = a[j];
		a[j] = a[i];
		a[i] = t1;
		for(String s : a) {
			System.out.print(s);
		}
		System.out.println();
	}
}