#include<stdio.h>
#include<stdlib.h>
typedef struct node{
    int data;
    struct node *next;
    struct node *prev;
}Node;
Node *head =NULL,*tail;
void create (int num){
    Node *newnode=(Node*)malloc(1*sizeof(Node))
    newnode->data=num;
    newnode->next=NULL;
    if(head==NULL){
        head=newnode;
        tail=newnode;
    }
    else{
        newnode->prev=newnode;
        tail->next=newnode;
        tail=newnode;
    }
}
void display(int count){
    Node *itr;
    for(itr=head;itr!=NULL;itr=itr->next){
        if(itr->data%2==0){
            printf("%d\n",itr->data);
            count++;
        }
    else if(itr->data%2!=0){
        printf("%d\n",itr->data);
        count ++;
        
    }
    }
    if(count==0){
        printf("empty");
    }
        
}
int main(){
    int i,num,size,count=0;
    scanf("%d",&size);
    if(size<=0){
        printf("Invalid input");
         return 0;
    }
    for(i=0;i<size;i++){
        if(!scanf("%d",&num)){
            printf("Invalid input");
            return 0;
        }
        create(num);
    }
    dispaly(count);
    return 0;
}