#include<stdio.h>
#define MAX 100
void enque(int num){
    if(rear==MAX-1){
        printf("Queue is Full");
        return;
    }
    if(front==-1){
        front=0;
    }
    queue[++rear]=num;
}
int main(){
    int n;
    int queue[MAX];
    int queue1[MAX];
    int queue2[MAX];
    int front=-1,rear=-1;
    scanf("%d",&n);
    if(n<=0){
        printf("Invalid input");
        return 0;
    }
    for(int i=0;i<n;i++){
        int x;
        scanf("%d",&x);
        enque(x);
    }
    for(int i=0;i<n;i++){
        if(queue[i]<0){
            queue[i]=queue1[i];
        }
        else if(queue[i]>0){
            queue[i]=queue2[i];

        }
    }
    for(int i=0;i<n;i++)
        printf("%d ",queue1[i]);
    for(int i=0;i<n;i++)
        printf("%d ",queue2[i]);
    return 0;

}