e14

def even(n):
    return n/2

def odd(n):
    return (3*n)+1

l = []

for x in xrange(1,1000000):
    count = 0
    result = x
    while result != 1:
        if result % 2 == 0:
            result = even(result)
        else:
            result = odd(result)
        count += 1

    l.append(count)
print(l.index(max(l))+1)
import pdb;pdb.set_trace()