#include <stdio.h>
/* Problem #4
 * 
 * Like problem 1 but first output only positive numbers and zeros
 * (if they occur in the input) then output negative numbers 
 * (that were in the input).
 *
 * CSC 100 Intro to Comp Sci and Prog
 * Due: Nov. 24, 2003
 * Gilbert St. Firmin
*/

int main(){

    int w, x, y, z;
    int a[100];
    
    scanf("%d",&x);
    for(w=0; w<x; w++){
        scanf("%d",&y);
        a[w]=y;
    }
    printf("\n\n");
    for(w=0; w<x; w++){
        if(a[w]>=0)
           printf("%d ",a[w]);
    }
    for(w=0; w<x; w++){
        if(a[w]<0)
           printf("%d ",a[w]);
    }
    printf("\n\n");
    
    return 0;
}