<gh_stars>1-10
S=int(input())
l=[]
while (S not in l):
    l.append(S)
    if S%2==0:S//=2
    else:S=3*S+1
print(len(l)+1)
S=int(input())
l=[]
while (S not in l):
    l.append(S)
    if S%2==0:S//=2
    else:S=3*S+1
print(len(l)+1)