import java.util.Scanner;
public class Solution {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int neg=0;
int pos=0;
int zero=0;
int a;
int n = sc.nextInt();
for(int i=0;i0)
pos++;
else if(a<0)
neg++;
else
zero++;
}
float fp = (float)pos/n;
float fn = (float)neg/n;
float fz = (float)zero/n;
System.out.printf("%.3f\n",fp);
System.out.printf("%.3f\n",fn);
System.out.printf("%.3f\n",fz);
}
}