a number is negative, positive or zero

#include<stdio.h>
int main()
{
    int a;
    printf("Enter a number:");
    scanf("%d", &a);

    if(a>0){
        printf("Positive");
    }
    else if(a<0){
        printf("Negative");
    }
    else if(a == 0){
        printf("The number is zero");
    }
    return 0;

}