a = input("from:")
b = input("to:")
k = input("max iterations:")

p = 1

for i in range(a,b+1):

    print ("Steps for %d" % i)

    while p < k and i != 1 :

        p = p + 1
        
        if i % 2 == 0:
            i = i / 2

        else:
            i = (3*i) + 1

        print i
        
    print ("The number of steps: %d" % (p-1))
    print (".........")
    p = 1