Buggy python submission (verdict: Time Limit Exceeded):
s=input()
a=int(s)
list=[]
list.append(1)
list.append(6)
list.append(9)
list.append(36)
list.append(81)
list.append(216)
list.append(729)
list.append(1296)
list.append(6561)
list.append(7776)
list.append(59049)
list.append(46656)
pp=[50 for l in range(50)]
def money(x,y):
  for i in range(12):
    b=x//list[i]
    if b==0:
      continue
    if i%2==1:
      if 0<b<6:
        if x%list[i]==0:
          pp[y+b]=y+b
        else:
          money(x-list[i],y+1)
    elif i%2==0:
      if i!=0:
        if 0<b<9:
          if x%list[i]==0:
            pp[y+b]=y+b
          else:
            money(x-list[i],y+1)
      else:
        if 0<b<6:
          pp[y+b]=y+b
money(a,0)
print(min(pp))

Fixed submission:
s=input()
a=int(s)
list=[]
list.append(1)
list.append(6)
list.append(9)
list.append(36)
list.append(81)
list.append(216)
list.append(729)
list.append(1296)
list.append(6561)
list.append(7776)
list.append(59049)
list.append(46656)
pp=[]
def money(x,y):
  for i in range(12):
    b=x//list[i]
    if b==0:
      continue
    if i%2==1:
      if 0<b<6:
        if x%list[i]==0:
          pp.append(y+b)
        else:
          if y>20:
            break
          money(x-list[i],y+1)
    elif i%2==0:
      if i!=0:
        if 0<b<9:
          if x%list[i]==0:
            pp.append(y+b)
          else:
            if y>20:
              break
            money(x-list[i],y+1)
      else:
        if 0<b<6:
          pp.append(y+b)
money(a,0)
print(min(pp))

Buggy python submission (verdict: Time Limit Exceeded):
s=input()
a=int(s)
list=[]
list.append(1)
list.append(6)
list.append(9)
list.append(36)
list.append(81)
list.append(216)
list.append(729)
list.append(1296)
list.append(6561)
list.append(7776)
list.append(59049)
list.append(46656)
pp=[]
def money(x,y):
  for i in range(12):
    b=x//list[i]
    if b==0:
      continue
    if i%2==1:
      if 0<b<6:
        if x%list[i]==0:
          pp.append(y+b)
        else:
          money(x-list[i],y+1)
    elif i%2==0 and i!=0:
      if 0<b<9:
        if x%list[i]==0:
          pp.append(y+b)
        else:
          money(x-list[i],y+1)
    else:
      if 0<b<6:
        pp.append(y+b)
money(a,0)
print(min(pp))

Fixed submission:
s=input()
a=int(s)
list=[]
list.append(1)
list.append(6)
list.append(9)
list.append(36)
list.append(81)
list.append(216)
list.append(729)
list.append(1296)
list.append(6561)
list.append(7776)
list.append(59049)
list.append(46656)
pp=[]
def money(x,y):
  for i in range(12):
    b=x//list[i]
    if b==0:
      continue
    if i%2==1:
      if 0<b<6:
        if x%list[i]==0:
          pp.append(y+b)
        else:
          if y>20:
            break
          money(x-list[i],y+1)
    elif i%2==0:
      if i!=0:
        if 0<b<9:
          if x%list[i]==0:
            pp.append(y+b)
          else:
            if y>20:
              break
            money(x-list[i],y+1)
      else:
        if 0<b<6:
          pp.append(y+b)
money(a,0)
print(min(pp))

Buggy python submission (verdict: Time Limit Exceeded):
s=input()
a=int(s)
list=[]
list.append(1)
list.append(6)
list.append(9)
list.append(36)
list.append(81)
list.append(216)
list.append(729)
list.append(1296)
list.append(6561)
list.append(7776)
list.append(59049)
list.append(46656)
pp=[]
def money(x,y):
  for i in range(12):
    b=x//list[i]
    if x//list[i]==0:
      continue
    if i%2==1 and 0<b<6:
      if x%list[i]==0:
        pp.append(y+b)
      else:
        money(x-list[i],y+1)
    elif i%2==0 and i!=0 and 0<b<9:
      if x%list[i]==0:
        pp.append(y+b)
      else:
        money(x-list[i],y+1)
    else:
      if 0<b<6:
        pp.append(y+b)
money(a,0)
print(min(pp))

Fixed submission:
s=input()
a=int(s)
list=[]
list.append(1)
list.append(6)
list.append(9)
list.append(36)
list.append(81)
list.append(216)
list.append(729)
list.append(1296)
list.append(6561)
list.append(7776)
list.append(59049)
list.append(46656)
pp=[]
def money(x,y):
  for i in range(12):
    b=x//list[i]
    if b==0:
      continue
    if i%2==1:
      if 0<b<6:
        if x%list[i]==0:
          pp.append(y+b)
        else:
          if y>20:
            break
          money(x-list[i],y+1)
    elif i%2==0:
      if i!=0:
        if 0<b<9:
          if x%list[i]==0:
            pp.append(y+b)
          else:
            if y>20:
              break
            money(x-list[i],y+1)
      else:
        if 0<b<6:
          pp.append(y+b)
money(a,0)
print(min(pp))

Buggy python submission (verdict: Time Limit Exceeded):
s=input()
a=int(s)
list=[]
list.append(1)
list.append(6)
list.append(9)
list.append(36)
list.append(81)
list.append(216)
list.append(729)
list.append(1296)
list.append(6561)
list.append(7776)
list.append(59049)
list.append(46656)
pp=[]
def money(x,y):
  for i in range(12):
    if i%2==1:
      if 0<x//list[i]<6:
        if x%list[i]==0:
          pp.append(y+x//list[i])
        else:
          money(x-list[i],y+1)
    elif i%2==0 and i!=0:
      if 0<x//list[i]<9:
        if x%list[i]==0:
          pp.append(y+x//list[i])
        else:
          money(x-list[i],y+1)
    elif i==0:
      if 0<x//list[i]<6:
        pp.append(y+x//list[i])
money(a,0)
print(min(pp))

Fixed submission:
s=input()
a=int(s)
list=[]
list.append(1)
list.append(6)
list.append(9)
list.append(36)
list.append(81)
list.append(216)
list.append(729)
list.append(1296)
list.append(6561)
list.append(7776)
list.append(59049)
list.append(46656)
pp=[]
def money(x,y):
  for i in range(12):
    b=x//list[i]
    if b==0:
      continue
    if i%2==1:
      if 0<b<6:
        if x%list[i]==0:
          pp.append(y+b)
        else:
          if y>20:
            break
          money(x-list[i],y+1)
    elif i%2==0:
      if i!=0:
        if 0<b<9:
          if x%list[i]==0:
            pp.append(y+b)
          else:
            if y>20:
              break
            money(x-list[i],y+1)
      else:
        if 0<b<6:
          pp.append(y+b)
money(a,0)
print(min(pp))