import java.util.*;
import java.lang.*;
import java.io.*;
 
class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Scanner in = new Scanner(System.in);
		String str = in.nextLine();
		char[] s = str.toCharArray();
		int i = in.nextInt();
		int j = in.nextInt();
		for(int b = i - 1, c = j - 1; b < c; b++, c--) {
			char k = s[b];
			s[b] = s[c];
			s[c] = k;
		}
	System.out.println(s);
	}
}