import java.util.Scanner;

public class ZeroOneSort {

//METHOD TO SORT ZERO AND ONE

static void sortBinary(int a[]){

int count=0;

for(int i=0; i<a.length; i++){

if(a[i]==0){

count++;

}

}

for(int i=0; i<a.length; i++){

if(i<count){

System.out.print(0 + " ");

}

else{

System.out.print(1 + " ");

}

}

}

public static void main(String[] args) {

Scanner sc= new Scanner(System.in);

//ARRAY SIZE AND ELEMENTS INPUT

System.out.print("Enter size of array: ");

int size= sc.nextInt();

int arr[]= new int[size];

System.out.print("Enter " + size + " binary numbers: ");

for(int i=0; i<size; i++){

arr[i]= sc.nextInt();

}

sortBinary(arr);

}

}