#include<stdio.h>
#include<conio.h>
int main()
{
int n;  \\ variable declaration
clrscr();
printf("\n Enter Any Number"); \\enter value in variable
scanf("%d",&n);
if(n>=1)         \\ perform operation
{
printf("\n Number is Negative");
}
else
{
printf("\n Number is positive");
}
return 0;
getch(); \\ it hold the output screen ,get one character then exit.
}