import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String s = sc.nextLine();
		int i = sc.nextInt();
		int j = sc.nextInt();
		
		String[] ary = new String[s.length()];
		for (int idx = 0; idx < s.length(); idx++) {
			ary[idx] = String.valueOf(s.charAt(idx));
		}
		
		String w = "";
		w = ary[i];
		ary[i] = ary[j];
		ary[j] = w;
		
		for (String value : ary) {
			System.out.print(value);
		}
		
		sc.close();
	}
}