import java.util.*;

class skew

{

public static void main(String args[])

{

Scanner sc= new Scanner(System.in);

int n = sc.nextInt();

long k = sc.nextInt();

long a1[] = new long[n];

long a2[] = new long[n];

long temp[] = new long[n];

int temp1 =0;

Can someone point out my mistake

import java.util.*;

class diamond

{

public static void main()

{

Scanner sc = new Scanner(System.in);

String s = sc.nextLine();

int n = sc.nextInt();

for(int i=0;s.length()<n;i++)