import java.util.*;

class Main {
	static Scanner sc = new Scanner(System.in);
	public static void main(String[] args) {
		
		char[] ar = sc.next().toCharArray();
		int i = sc.nextInt(); int j = sc.nextInt();
		
		char temp = ar[i];
		ar[i] = ar[j];
		ar[j] = temp;
		
		System.out.println(String.valueOf(ar));
		
		
	}
}