#!/usr/bin/python3

import sys
import time
from pprint import pprint

turn = 0
num = None
last_turn = {}

for a in sys.argv[1:]:
    last_turn[num] = turn
    turn += 1
    num = int(a)

pprint(last_turn)

while True:
    if num in last_turn:
        new_num = turn - last_turn[num]
    else:
        new_num = 0
    last_turn[num] = turn
    num = new_num
    turn += 1
    if turn % 100000 == 0:
        print(turn, num)
        if turn == 30000000:
            break