#include <stdio.h>
static int scale(int n)
{
int acc = 0;
for (int i = 0; i < 10; i++) {
acc += n;
}
return acc;
}
static int product_upto(int n)
{
if (n > 1) {
return product_upto(n - 1) * n;
}
return 1;
}
int main(void)
{
scale(product_upto(10));
return 0;
}