#include<stdio.h>
int main()
{
    int a;
    printf("enter the number of product");
    scanf("%d",a);
    if(i>1)
    {
        int fact=fact*1;
        printf("%d",fact)
        return 0;
    }
    else if(i<1)
    {
        print("Invaild Input");
    }
}