Z=[]
sonad=[]
for rida in open("sonaseosed.txt", encoding="utf-8"):
  m=rida.strip().split(",")
  Z.append([int(m[1]), int(m[2]), float(m[3]), int(m[4])])
for rida in open("sonaindeksid.txt", encoding="utf-8"):
  sonad.append(rida.strip().split(",")[1])

def uuriPuu(indeks, tase=0):
  if indeks<len(sonad):
   try:
    print(tase*" "+sonad[indeks])
   except:
    print("probleem ", indeks)
  else:
    koht=indeks-len(sonad)
    rida=Z[koht]
#    print(tase*" "+str(indeks)+" "+str(rida[2]))
    uuriPuu(rida[0], tase+1)
    uuriPuu(rida[1], tase+1)
    
uuriPuu(len(sonad)+len(Z)-1)