//Dynamic Change of Array Size
 import java.util.Scanner;
 class Arr{
   int a[];
   int size;
   int count;
   
   Arr(int size){
	   this.size = size;
	   a = new int[size];
   }
   
   void insert(int x){
	   int j=0;
	   if(count<size)
	   a[count++]=x;
       else
	   {
		   int b[] = new int[size*2];
		   for(int i:a)
			   b[j++]=i;
		   size = size*2;
		   a=b;
		   a[count++]=x;
	   }	   
   }
   
   void print(){
	   for(int i:a)
			   System.out.print(i +" ");
   }
   
   
 
 }
 class Array20{
 public static void main(String Args[])
 {
	int size;
	int data;
	System.out.println("Enter the size of data to store");
	Scanner sc = new Scanner(System.in);
	size = sc.nextInt();
    Arr a = new Arr(size);
	while(true){
	System.out.println("Enter data. Enter 0 if no more data exists");
	data = sc.nextInt();
	if(data==0)
		break;
	a.insert(data);
	
	}
	a.print();
	
 
 }
 }