float a,b,c,d,e,f;
((a,b),c) = ((1,2),3);
print(a + " " + b + " " + c);
(a,(b,c)) = (10,(20,30));
print(a + " " + b + " " + c);
(a,(b,(c,d),(e,f))) = (100,(200,(300,400),(500,600)));
print(a + " " + b + " " + c + " " + d + " " + e + " " + f);