#include <stdio.h>
#include <ctype.h>
#include <string.h>

int isInteger(char *s)
{
    int i = 0;
    if (s[0] == '-' || s[0] == '+')
    i++;
    
    if (s[i] == '\0')
    return 0;
    
    for (; s[i]; i++)
    {
      if(!isdigit(s[i])) 
      return 0;
    }
    return 1;
}

int main()
{
    int n;
    char buff[50];
    
    if (!fgets(buff, sizeof(buff), stdin) || !isInteger(buff))
    {
        printf("Invalid input");
        return 0;
    }
    n= atoi(buff);
    
    int arr[n], count = 0;
    for (int i = 0; i < n; i++)
    {
      if (!fgets(buff, sizeof(buff), stdin) || !isInteger(buff))
      {
        printf("Invalid input");
        return 0;
      }
      
      int val= atoi(buff);
      if (val % 2 == 0)
      arr[count++] = val;
    }
    
    if(count == 0)
    {
        printf("Empty");
        return 0;
    } 
     
    for (int i = 0; i < count; i++)
    {
        if(i > 0) printf(" ");
        printf("%d", arr[i]);
    }
    return 0;
}