#include<stdio.h>
union productData{
    int price;
    int quantity;
};
struct product{
    char name[51];
    union productData info;
    int price;
    int quantity;
};
void inputproduct(struct product *p){
    scanf("%s", p->name);
    scanf("%d", &p->price);
    scanf("%d", &p->quantity);
}
void displayproduct(struct product p)
{
    if(p.price , 0 || p.quantity < 0)
    {
        printf("Invalid input");
        return;
    }
    printf("product Name: %s\n", p.name);
    printf("price: %d\n", p.price);
    printf("quantity: %d\n", p.quantity);
}
int main()
{
    srtuct product p;
    inputproduct(&p);
    displayproduct(p);
    return 0;
}