#include <stdio.h>
#include <stdlib.h>
#include <math.h>

double apsolutna(double n)
{
    if(n<0) return -n;
    else return n;
}


void sort(double *niz,int n)
{
    int i,j;
    double tmp;

    for(i=0;i<n;i++)
        for(j=i+1;j<n;j++)
            if(apsolutna(niz[i])>apsolutna(niz[j]))
            {
            tmp=niz[i];
            niz[i]=niz[j];
            niz[j]=tmp;
            }


}


int main()
{
    double *niz,x;
    int n=0,i;


    while(1)
    {
        printf("Ucitaj realan broj");
        scanf("%lf",&x);
        niz=(double*)malloc(++n*sizeof(double));
        if(x<0) break;
        niz[n-1]=x;

    }

    sort(niz,n);

    for(i=0;i<n;i++)
        printf("%lf\n",niz[i]);
    return 0;
}