program.dps

/*
int collatz(int n)
{
	if (n%2 == 0)
		return n/2;
	else
		return 3*n + 1;
}
void main()
{
	int val = asm("syscall #1":int);
	asm("syscall #0", val);
	// iterate until equal to 1
	do
	{
		val = collatz(val);
		asm("syscall #0", val);
	} while (val != 1);
	
	for (int i = 0; i < 3+4; i = i+1)
	{
		;
	}
	real bruh = 3.14 * 2;
	
	asm("syscall #3"); // exit
}

*/


int digit_sum(int n)
{
	int sum = 0;
	while ((n % 10) != 0)
	{
		sum = sum + n % 10;
		n = n / 10;
	}		
	return sum;
}

void main()
{
	int val = asm("syscall #1":int);
	asm("syscall #0", digit_sum(val));
	asm("syscall #3"); // exit
}