fun x(a, b, c)
	print('a = ', a, '\nb = ', b, '\nc = ', c, '\n\n');

x(1, 2, 3, 4, 5);
x(1, 2, 3, 4);
x(1, 2, 3); 
x(1, 2); # Fails here!
x(1);
x();