#pragma MSP stage(vertex)
void main()
{
	int n = 0;
	for(int i=10; i!=1; )
	{
		if((i&1)==0)
			i /= 2;
		else
			i = 3*i+1;
		++n;
	}
	gl_Position = vec4(n);
}

/* Expected output: vertex
void main()
{
	int n = 0;
	for(int i = 10; i!=1;)
	{
		if((i&1)==0)
			i /= 2;
		else
			i = 3*i+1;
		++n;
	}
	gl_Position = vec4(0.0);
}
*/