C++ :

#include<cstdio>
#include<cmath>
#include<algorithm>
using namespace std;
bool com(int x,int y)
{
    return abs(x)>abs(y);
}
int main()
{
    int n,i,a[101];
    while(~scanf("%d",&n)&&n)
    {
        for(i=0;i<n;i++) scanf("%d",&a[i]);
        sort(a,a+n,com);
		for(i=0;i<n;i++)
		{
			if(i==0) printf("%d",a[0]);
			else printf(" %d",a[i]);
		}
		printf("\n");
    }
    return 0;
}