Collatz counter

print('Enter value please:')
value=input()
value=int(value)
spam=0
while value != 1:
    if value%2 == 0:
        print (value/2)
        value=int(value/2)
        spam=spam+1
    elif value%2 != 0:
        print(3*value+1)
        value=int(3*value+1)
        spam=spam+1
#end the sequence if 1 is achieved and report results
if value == 1:
    spam=str(spam)
    print ('Reduction complete.')
    print ('This value required '+spam+' steps.')