class Podstring {
    private String niz;
    
    private Podstring() {}

    public Podstring(String niz) {
	this.niz=niz;
    }

    public String pod(int begin,int end) {
	StringBuffer novi=new StringBuffer(end-begin+1);

	for (int i=begin;i<=end;i++)
	    novi.append(niz.charAt(i));

	return novi.toString();
    }

    public String pod(int begin) {
	return pod(begin,niz.length()-1);
    }
}

public class TestPodstring {
    public static void main(String[] args) {
	if (args.length!=3) {
	    System.out.println("Potrebni argumenti su string i dva integera!");
	    return;
	}

	String s = args[0];
	int b=Integer.parseInt(args[1]);
	int c=Integer.parseInt(args[2]);
	
	Podstring podstr = new Podstring(s);

	System.out.println(podstr.pod(b));
	System.out.println(podstr.pod(b,c));
    }
}