#include <iostream>
using namespace std;

bool IsSimple(int n) {
  if (n < 2)
    return false;
 
  for (int j = 2; j * j <= n; ++j)
    if (n % j == 0) 
      return false;
 
  return true;
}
int main()
{
    const int n = 10;
    int a[n];
    for (int i=0; i<n; i++)
        cin>>a[i];
        
        
    for (int i=0; i<n; i++)
        if (IsSimple(a[i]))
            cout<<a[i]<<" ";

    return 0;
}