JAVA // Rember the best practice of always closing the scanner

import java.io.; import java.util.; import java.text.; import java.math.; import java.util.regex.*;

public class Solution {

public static void sub (String s,int start, int end){
    System.out.println(s.substring(start, end));
}

public static void main(String[] args) {
    Scanner in = new Scanner(System.in);
    String S = in.next();
    int start = in.nextInt();
    int end = in.nextInt();
    in.close();

    sub(S, start, end);
}

}