C Coding Show Positive or Negative Number

#include<stdio.h>
#include<conio.h>
void main()
{
clrscr();
int number,positve=0,negative=0,zero=0;
do
{
printf("input number=");
scanf("%d",&number);
{
if(number>0)
positve++;
if(number<0)
negative++;
if(number==0)
zero++;
}}
while(number!=-1);
printf("\npositve number= %d",positve);
printf("\nnegative number= %d",negative);
printf("\nzero number= %d",zero);
getch();
}