import vk,os,time,sys
t=open('token.txt')
tokenn=t.read()
t.close()
session = vk.Session(access_token=tokenn)
vkapi=vk.API(session,v='5.53')
user=input('Enter ID: ')
##average age
friends=vkapi.friends.get(user_id=user,fields='bdate')
bdates=0
counter=0
if friends['count']>0:
    for i in friends['items']:
        if 'bdate' in i.keys():
            if len(i['bdate'])>5:
                 bdates+=int(i['bdate'][-4:])
                 counter+=1
    avr=bdates//counter
else:
    avr=1990
ageFromTo=[avr]
for i in range(1,40):
    ageFromTo.append(avr+i)
    ageFromTo.append(avr-i)
##
dat=[0,0]
cit=0
flag=False
info=vkapi.users.get(user_ids=user,fields='city,bdate')
if 'bdate' in info[0].keys():
    if len(info[0]['bdate'])>5:
        print(info[0]['bdate'][-4:])
        sys.exit()
    dat=info[0]['bdate'].split('.')
if 'city' in info[0].keys():
    cit=info[0]['city']['id']
fname=info[0]['first_name']
lname=info[0]['last_name']
for i in ageFromTo:
    while True:
        try:
            ans=vkapi.users.search(q=fname+' '+lname,count=1000,
                                   birth_day=dat[0],birth_month=dat[1],
                                   city=0,birth_year=i)
            break
        except vk.exceptions.VkAPIError as text:
            if str(text)[:2]=='6.':
                time.sleep(1)
                continue
    if ans['count']>0:
        for j in ans['items']:
            if str(j['id'])==user:
                print(i)
                flag=True
    if flag:
        break