a = input("from:") b = input("to:") k = input("max iterations:") p = 1 l = [] q = [] for i in range(a,b+1): q.append(i) while p < k and i != 1 : p = p + 1 if i % 2 == 0: i = i / 2 else: i = (3*i) + 1 l.append(p-1) p = 1 print(q[(l.index(max(l)))]) print(max(l))