#include<stdio.h>
 int main()
 {
     int a;
     printf("Enter a number\n");
     scanf("%d",&a);
     if(a>0)
     {
         printf("%d is a positive number\n",a);
     }
     else if(a==0)
     {
         printf("non negative number\n",a);
     }
     else
     {
         printf("%d is a negative number\n",a);
     }
 }