Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
ans={}
visited=[]
for _ in range(n):
    s="".join(sorted(list(input())))
    if s in visited:
      ans[s]+=1
    else:
      ans[s]=1
      visited.append(s)

count=0
for i in ans:
  count+=((ans[i]*(ans[i]-1))//2)
print(count)

Fixed submission:
from collections import Counter
n=int(input())
s=[]
for _ in range(n):
    temp=sorted(list(input()))
    s.append("".join(temp))
s_count=Counter(s)
ans=0
for i in s_count:
    ans+=((s_count[i])*(s_count[i]-1))//2
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
from collections import Counter
n=int(input())
a=[list(input()) for _ in range(n)]
count=0
for i in range(n):
  for j in range(i+1,n):
    if Counter(a[i])==Counter(a[j]):
      count+=1
print(count)

Fixed submission:
from collections import Counter
n=int(input())
s=[]
for _ in range(n):
    temp=sorted(list(input()))
    s.append("".join(temp))
s_count=Counter(s)
ans=0
for i in s_count:
    ans+=((s_count[i])*(s_count[i]-1))//2
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
from collections import Counter
n=int(input())
a=[list(input()) for _ in range(n)]
count=0
for i in range(n):
  for j in range(i+1,n):
    if Counter(a[i])==Counter(a[j]):
      count+=1
print(count)

Fixed submission:
from collections import Counter
n=int(input())
s=[]
for _ in range(n):
    temp=sorted(list(input()))
    s.append("".join(temp))
s_count=Counter(s)
ans=0
for i in s_count:
    ans+=((s_count[i])*(s_count[i]-1))//2
print(ans)
Buggy python submission (verdict: Runtime Error):
n=int(input())
stairlist=list(map(int,input().split()))
stairlist.reverse()
for i in range(n):
  if stairlist[i+1]-stairlist[i]==1:
    stairlist[i+1]=stairlist[i+1]-1
  elif stairlist[i+1]-stairlist[i]>1:
    print("No")
    break
else:
  print("Yes")

Fixed submission:
n=int(input())
stairlist=list(map(int,input().split()))
stairlist.reverse()
for i in range(n-1):
  if stairlist[i+1]-stairlist[i]==1:
    stairlist[i+1]=stairlist[i+1]-1
  elif stairlist[i+1]-stairlist[i]>1:
    print("No")
    break
else:
  print("Yes")
Buggy python submission (verdict: Time Limit Exceeded):
from copy import copy
n=int(input())
a=[0]+list(map(int,input().split()))
ans=[0]*(n+1) 
for i in range(n//2+1,n+1):
    ans[i]=a[i]
for j in reversed(range(1,n//2+1)):
    k=2
    count=0
    j_copy=copy(j)
    a_j=a[j]
    while True:
        count+=ans[k*j_copy]
        k+=1
        if k*j_copy>n:
            break
    if count%2==a_j:
        ans[j]+=0
    else:
        ans[j]+=1
temp=[]
for i in range(1,n+1):
  if ans[i]==1:
    temp.append(str(i))
print(ans.count(1))
print(" ".join(temp))

Fixed submission:
from copy import copy
n=int(input())
a=[0]+list(map(int,input().split()))
ans=[0]*(n+1) 
for i in range(n//2+1,n+1):
    ans[i]=a[i]
for j in reversed(range(1,n//2+1)):
    k=2
    count=0
    j_copy=copy(j)
    a_j=a[j]
    while True:
        count+=ans[k*j_copy]
        k+=1
        if k*j_copy>n:
            break
    if count%2==a_j:
        ans[j]+=0
    else:
        ans[j]+=1
temp=[]
for i in range(1,n+1):
  if ans[i]==1:
    temp.append(str(i))
print(ans.count(1))
print(" ".join(temp))
Buggy python submission (verdict: Time Limit Exceeded):
l,r = map(int,input().split())
number_list=[i for i in range(l,r+1)]
c=2019
for i in number_list:
  if i%2019==0:
    print(0)
    break
else:
  for j in number_list:
    for k in number_list[(number_list.index(j)+1):]:
      if c>(j*k%2019):
        c=(j*k%2019)
  print(c)

Fixed submission:
l,r = map(int,input().split())
c=2019
for i in range(l,r+1):
  if i%2019==0:
    print(0)
    break
else:
  for j in range(l,r+1):
    for k in range(j+1,r+1):
      if c>(j*k%2019):
        c=(j*k%2019)
  print(c)

Buggy python submission (verdict: Time Limit Exceeded):
l,r = map(int,input().split())
number_list=[i for i in range(l,r+1)]
c=2019
for i in number_list:
  if i%2019==0:
    print(0)
    break
else:
  for j in number_list:
    for k in number_list[(number_list.index(j)+1):]:
      if c>(((j%2019)*(k%2019))%2019):
        c=(((j%2019)*(k%2019))%2019)
  print(c)
        

Fixed submission:
l,r = map(int,input().split())
c=2019
for i in range(l,r+1):
  if i%2019==0:
    print(0)
    break
else:
  for j in range(l,r+1):
    for k in range(j+1,r+1):
      if c>(j*k%2019):
        c=(j*k%2019)
  print(c)

Buggy python submission (verdict: Time Limit Exceeded):
l,r = map(int,input().split())
number_list=[i for i in range(l,r+1)]
c=2019
for i in number_list:
  if i%2019==0:
    print(0)
    break
else:
  for j in number_list:
    for k in number_list:
      if j<k:
        if c>(((j%2019)*(k%2019))%2019):
          c=(((j%2019)*(k%2019))%2019)
  print(c)
        

Fixed submission:
l,r = map(int,input().split())
c=2019
for i in range(l,r+1):
  if i%2019==0:
    print(0)
    break
else:
  for j in range(l,r+1):
    for k in range(j+1,r+1):
      if c>(j*k%2019):
        c=(j*k%2019)
  print(c)

Buggy python submission (verdict: Time Limit Exceeded):
l,r = map(int,input().split())
number_list=[i for i in range(l,r+1)]
result=[]
for i in number_list:
  if i%2019==0:
    print(0)
    break
else:
  for j in number_list:
    for k in number_list:
      if j<k:
        result.append((j*k)%2019)
  print(min(result))
        

Fixed submission:
l,r = map(int,input().split())
c=2019
for i in range(l,r+1):
  if i%2019==0:
    print(0)
    break
else:
  for j in range(l,r+1):
    for k in range(j+1,r+1):
      if c>(j*k%2019):
        c=(j*k%2019)
  print(c)
Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
dp=[1]*n 
for i in range(m):
    dp[int(input())-1]=0
if dp[1]==1:
    dp[1]=1+dp[0]
for j in range(n-2):
    if dp[j+2]==1:
      dp[j+2]+=(dp[j]+dp[j+1]-1)
print(dp[-1]%1000000007)

Fixed submission:
n,m=map(int,input().split())
dp=[1]*n 
for i in range(m):
    dp[int(input())-1]=0
if n==1:
  if m==1:
    print(0)
  else:
    print(1)
else:
  if dp[1]==1:
    dp[1]=1+dp[0]
  for j in range(n-2):
    if dp[j+2]==1:
      dp[j+2]+=(dp[j]+dp[j+1]-1)
  print(dp[-1]%1000000007)
Buggy python submission (verdict: Time Limit Exceeded):
h,w=map(int,input().split())
s=[list(input()) for _ in range(h)]
left=[[0]*w for _ in range(h)]
right=[[0]*w for _ in range(h)]
up=[[0]*w for _ in range(h)]
down=[[0]*w for _ in range(h)]
for i in range(h):
    temp=1
    for j in range(w):
        if s[i][j]==".":
            left[i][j]+=temp
            temp+=1
        else:
            temp=1
for i in range(h):
    temp=1
    for j in range(w)[::-1]:
        if s[i][j]==".":
            right[i][j]+=temp
            temp+=1
        else:
            temp=1
for i in range(w):
    temp=1
    for j in range(h):
        if s[j][i]==".":
            down[j][i]+=temp
            temp+=1
        else:
            temp=1
for i in range(w):
    temp=1
    for j in range(h)[::-1]:
        if s[j][i]==".":
            up[j][i]+=temp
            temp+=1
        else:
            temp=1
ans=1
for i in range(h):
    for j in range(w):
        ans=max(ans,up[i][j]+down[i][j]+left[i][j]+right[i][j]-3)
print(ans)

Fixed submission:
h,w=map(int,input().split())
s=[list(input()) for _ in range(h)]
left=[[0]*w for _ in range(h)]
right=[[0]*w for _ in range(h)]
up=[[0]*w for _ in range(h)]
down=[[0]*w for _ in range(h)]
for i in range(h):
    temp=1
    for j in range(w):
        if s[i][j]==".":
            left[i][j]+=temp
            temp+=1
        else:
            temp=1
for i in range(h):
    temp=1
    for j in range(w)[::-1]:
        if s[i][j]==".":
            right[i][j]+=temp
            temp+=1
        else:
            temp=1
for i in range(w):
    temp=1
    for j in range(h):
        if s[j][i]==".":
            down[j][i]+=temp
            temp+=1
        else:
            temp=1
for i in range(w):
    temp=1
    for j in range(h)[::-1]:
        if s[j][i]==".":
            up[j][i]+=temp
            temp+=1
        else:
            temp=1
ans=1
for i in range(h):
    for j in range(w):
        ans=max(ans,up[i][j]+down[i][j]+left[i][j]+right[i][j]-3)
print(ans)
Buggy python submission (verdict: Runtime Error):
s=[0]+list(input())
if c<d:
    for i in range(a,d):
        if s[i]==s[i+1]=="#":
            print("No")
            break
    else:
        print("Yes")
else:
    for j in range(a,c):
        if s[j]==s[j+1]=="#":
            print("No")
            break
    else:
        for k in range(b-1,d-2):
            if s[k]==s[k+1]==s[k+2]==".":
                    print("Yes")
                    break
        else:
            print("No")

Fixed submission:
n,a,b,c,d=map(int,input().split())
s=[0]+list(input())
if c<d:
    for i in range(a,d):
        if s[i]==s[i+1]=="#":
            print("No")
            break
    else:
        print("Yes")
else:
    for j in range(a,c):
        if s[j]==s[j+1]=="#":
            print("No")
            break
    else:
        for k in range(b-1,d):
            if s[k]==s[k+1]==s[k+2]==".":
                    print("Yes")
                    break
        else:
            print("No")
Buggy python submission (verdict: Runtime Error):
N,Q = map(int,input().split())
par = [i for i in range(N+1)]
def find(x):
    if par[x] == x:
        return x
    else:
        par[x] = find(par[x]) #経路圧縮
        return par[x]
def same(x,y):
    return find(x) == find(y)
def unite(x,y):
    x = find(x)
    y = find(y)
    if x == y:
        return 0
    par[x] = y
for i in range(Q):
    x,y,z=map(int,input().split())
    unite(x,y)
    
for i in range(1,N+1):
    find(i)
print(len(set(par[1:])))


Fixed submission:
n,m=map(int,input().split())
xy=[[] for _ in range(n+1)]
for _ in range(m):
    x,y,z=map(int,input().split())
    xy[x].append(y)
    xy[y].append(x)

from collections import deque

visited=[0]*(n+1)
count=0

for i in range(1,n+1):
    if visited[i]==0:
        stack=deque()
        stack.append(i)
        visited[i]+=1
        while stack:
            a=stack.pop()
            for j in xy[a]:
                if visited[j]==0:
                    visited[j]+=1
                    stack.append(j)
        count+=1
print(count)

Buggy python submission (verdict: Runtime Error):
N,Q = map(int,input().split())
par = [i for i in range(N+1)]
def find(x):
    if par[x] == x:
        return x
    else:
        par[x] = find(par[x]) #経路圧縮
        return par[x]
def same(x,y):
    return find(x) == find(y)
def unite(x,y):
    x = find(x)
    y = find(y)
    if x == y:
        return 0
    par[x] = y
for i in range(Q):
    x,y,z=map(int,input().split())
    unite(x,y)
    
for i in range(1,Q+1):
    find(i)
print(len(set(par[1:])))

Fixed submission:
n,m=map(int,input().split())
xy=[[] for _ in range(n+1)]
for _ in range(m):
    x,y,z=map(int,input().split())
    xy[x].append(y)
    xy[y].append(x)

from collections import deque

visited=[0]*(n+1)
count=0

for i in range(1,n+1):
    if visited[i]==0:
        stack=deque()
        stack.append(i)
        visited[i]+=1
        while stack:
            a=stack.pop()
            for j in xy[a]:
                if visited[j]==0:
                    visited[j]+=1
                    stack.append(j)
        count+=1
print(count)
Buggy python submission (verdict: Runtime Error):
n=int(input())
a=list(map(int,input().split()))
from collections import deque
from math import gcd
a_left=deque()

a_left.append(a[0])


a_right=deque()

a_right.append(a[-1])

for i in range(n-1):
    a_left.append(gcd(a_left[-1],a[i+1]))
    a_right.appendleft(gcd(a_right[0],a[n-i-2]))


a_right=list(a_right)
a_left=list(a_left)

count=max(a_left[-2],a_right[2])

for j in range(n-2):
    count=max(gcd(a_left[j],a_right[j+2]),count)
print(count)

Fixed submission:
n=int(input())
a=list(map(int,input().split()))
from collections import deque
from math import gcd
a_left=deque()

a_left.append(a[0])


a_right=deque()

a_right.append(a[-1])

for i in range(n-1):
    a_left.append(gcd(a_left[-1],a[i+1]))
    a_right.appendleft(gcd(a_right[0],a[n-i-2]))


a_right=list(a_right)
a_left=list(a_left)

count=max(a_left[-2],a_right[1])

for j in range(n-2):
    count=max(gcd(a_left[j],a_right[j+2]),count)
print(count)
Buggy python submission (verdict: Time Limit Exceeded):
n,m=map(int,input().split())
money=[]
for _ in range(n):
    a,b=map(int,input().split())
    money=money+[a]*b
money.sort()
print(sum(money[:m]))

Fixed submission:
n,m=map(int,input().split())
ab=sorted([list(map(int,input().split())) for _ in range(n)])
ans=0
i=0
while i<n:
    if m>=ab[i][1]:
        ans+=(ab[i][0])*ab[i][1]
        m-=ab[i][1]
        i+=1
    else:
        ans+=(ab[i][0])*(m)
        break
print(ans)
Buggy python submission (verdict: Runtime Error):
import fraction
from functools import reduce
n=int(input())
A=list(map(int,input().split()))
def gcd(*numbers):
    return reduce(fraction.gcd,numbers)
print(gcd(*A))


Fixed submission:
import fractions
from functools import reduce
n=int(input())
A=list(map(int,input().split()))
def gcd(*numbers):
    return reduce(fractions.gcd,numbers)
print(gcd(*A))
Buggy python submission (verdict: Time Limit Exceeded):
n,k=map(int,input().split())
h=list(map(int,input().split()))
dp=[0]*len(h)

for i in range(1,min(k,n)):
    temp=10**10
    for j in range(i):
        temp=min(temp,dp[j]+abs(h[i]-h[j]))
    dp[i]+=temp 
for p in range(min(k,n),n):
    temp=10**10
    for q in range(k):
        temp=min(temp,dp[p-k+q]+abs(h[p]-h[p-k+q]))
    dp[p]+=temp 
print(dp[-1])

Fixed submission:
n,k=map(int,input().split())
h=list(map(int,input().split()))
dp=[0]*len(h)

for i in range(1,min(k,n)):
    temp=10**10
    for j in range(i):
        temp=min(temp,dp[j]+abs(h[i]-h[j]))
    dp[i]+=temp 
for p in range(min(k,n),n):
    temp=10**10
    for q in range(k):
        temp=min(temp,dp[p-k+q]+abs(h[p]-h[p-k+q]))
    dp[p]+=temp 
print(dp[-1])
Buggy python submission (verdict: Time Limit Exceeded):
import copy
n,w=map(int,input().split())
wv=[list(map(int,input().split())) for _ in range(n)]
dp=([0]*wv[0][0])+[wv[0][1]]*(w+1-wv[0][0])
for i in range(n-1):
    dp_copy=copy.deepcopy(dp)
    for j in range(w+1):
        if j>=wv[i+1][0]:
            dp[j]=max(dp_copy[j],dp_copy[j-wv[i+1][0]]+wv[i+1][1])
print(dp[-1])

Fixed submission:
n,w=map(int,input().split())
wv=[list(map(int,input().split())) for _ in range(n)]
dp=[[0]*(w+1) for _ in range(n+1)]
for i in range(n):
    for j in range(w+1):
        if j>=wv[i][0]:
            dp[i+1][j]=max(dp[i][j],dp[i][j-wv[i][0]]+wv[i][1])
        else:
            dp[i+1][j]=dp[i][j]
print(dp[-1][-1])

Buggy python submission (verdict: Time Limit Exceeded):
import copy
n,w=map(int,input().split())
wv=[list(map(int,input().split())) for _ in range(n)]
dp=([0]*wv[0][0])+[wv[0][1]]*(w+1-wv[0][0])
for i in range(n-1):
    dp_copy=copy.deepcopy(dp)
    for j in range(w+1):
        if j>=wv[i+1][0]:
            dp[j]=max(dp_copy[j],dp_copy[j-wv[i+1][0]]+wv[i+1][1])
print(dp[-1])

Fixed submission:
n,w=map(int,input().split())
wv=[list(map(int,input().split())) for _ in range(n)]
dp=[[0]*(w+1) for _ in range(n+1)]
for i in range(n):
    for j in range(w+1):
        if j>=wv[i][0]:
            dp[i+1][j]=max(dp[i][j],dp[i][j-wv[i][0]]+wv[i][1])
        else:
            dp[i+1][j]=dp[i][j]
print(dp[-1][-1])
Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
py=[]
for i in range(m):
    py.append(list(map(int,input().split()))+[i+1])
py.sort()
number_list=[]
number_list.append([str(0)]*(6-(len(list(str(py[0][0])))))+list(str(py[0][0]))+[str(0)]*(6-(len(list(str(1)))))+list(str(1))+[str(py[0][-1])])
k=2
for j in range(1,m):
    if py[j][0]==py[j-1][0]:
        number_list.append([str(0)]*(6-(len(list(str(py[j][0])))))+list(str(py[j][0]))+[str(0)]*(6-(len(list(str(k)))))+list(str(k))+[str(py[j][-1])])    
        k+=1
    else:
        k=1
        number_list.append([str(0)]*(6-(len(list(str(py[j][0])))))+list(str(py[j][0]))+[str(0)]*(6-(len(list(str(k)))))+list(str(k))+[str(py[j][-1])])
        k+=1
number_list_sort=sorted(number_list,key=lambda x:x[-1])
for l in range(m):
    print(''.join(number_list_sort[l][:-1])

Fixed submission:
n,m=map(int,input().split())
py1=[]
for i in range(m):
    py1.append(list(map(int,input().split()))+[i+1])
py=sorted(py1)

number_list=[]
number_list.append([str(0)]*(6-(len(list(str(py[0][0])))))+list(str(py[0][0]))+[str(0)]*(6-(len(list(str(1)))))+list(str(1))+[str(py[0][-1])])
k=2
for j in range(1,m):
    if py[j][0]==py[j-1][0]:
        number_list.append([str(0)]*(6-(len(list(str(py[j][0])))))+list(str(py[j][0]))+[str(0)]*(6-(len(list(str(k)))))+list(str(k))+[str((py[j][-1]))])    
        k+=1
    else:
        k=1
        number_list.append([str(0)]*(6-(len(list(str(py[j][0])))))+list(str(py[j][0]))+[str(0)]*(6-(len(list(str(k)))))+list(str(k))+[str(py[j][-1])])
        k+=1
     
number_list_sort=sorted(number_list,key=lambda x:int(x[-1]))
for l in range(m):
    print(''.join(number_list_sort[l][:-1]))
Buggy python submission (verdict: Runtime Error):
s=list(map(int,tuple(input())))
k=int(input())
i=0
if 1 in s:
  i=s.index()
  if i+1>=k:
      print(1)
  else:
      print(s[i+1])
else:
  print(s[0])

Fixed submission:
s=list(map(int,tuple(input())))
k=int(input())
i=0
if 1 in s:
  for i in range(len(s)):
    if s[i]!=1:
      break
  if i>=k:
      print(1)
  else:
      print(s[i])
else:
  print(s[0])
Buggy python submission (verdict: Time Limit Exceeded):
import bisect
n=int(input())
a=sorted(list(map(int,input().split())))
b=sorted(list(map(int,input().split())))
c=sorted(list(map(int,input().split())))
ans=0
for i in range(n):
    j=bisect.bisect_right(b,a[i])
    for x in b[j:]:
        k=n-bisect.bisect_right(c,x)
        ans+=k
print(ans)

Fixed submission:
import bisect
n=int(input())
a=sorted(list(map(int,input().split())))
b=sorted(list(map(int,input().split())))
c=sorted(list(map(int,input().split())))
ans=0
for i in range(n):
    x=bisect.bisect_left(a,b[i])
    y=bisect.bisect_right(c,b[i])
    ans+=x*(n-y)
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
from math import gcd
a,b=map(int,input().split())
temp=a+b
for i in range(1,n):
    c,d=map(int,input().split())
    i=c+d
    j=i
    c1=c
    d1=d
    while i<temp or c<a or d<b:

        i+=j
        c+=c1
        d+=d1
        
        
        
    temp=i
    a=c
    b=d
    
print(temp)

Fixed submission:
n=int(input())
from math import gcd
a,b=map(int,input().split())
temp=a+b
for i in range(1,n):
    c,d=map(int,input().split())
    j=c+d
    
    x=max(a-c,0)//c
    if max(a-c,0)%c!=0:
        x+=1
    y=max(b-d,0)//d
    if max(b-d,0)%d!=0:
        y+=1
    z=max(temp-j,0)//j
    if max(temp-j,0)%j!=0:
        z+=1
    l=[x,y,z]
    temp=max(l)*j+j
    a=max(l)*c+c
    b=max(l)*d+d
        
print(temp)
Buggy python submission (verdict: Runtime Error):
a,b,c,d=map(int,input().split())
g=[]
g.append(a*c)
g.append(a*d)
g.append(b*c)
g.append(b*d)
print(max(g))

Fixed submission:
t=int(input())
if t==1:
    print("0")
else:
    print("1")
Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-

N,K=map(int,input().split())

MOD=998244353
D=[0]*(N+1)
D[1]=1

S=[]
for i in range(K):
    L,R=map(int,input().split())
    S+=[i for i in range(L,R+1)]
    S.sort()

for i in range(2,N+1):
    for j in S:
        if j >i: break
        D[i]+=D[i-j]
    D[i]%=998244353

#print(S)
print(D[N])

Fixed submission:
# -*- coding: utf-8 -*-

N,K=map(int,input().split())

MOD=998244353
D=[0]*(N+1)
D[1]=1

S=dict()
B=dict()
for i in range(K):
    L,R=map(int,input().split())
    S[i]=(L,R)
    B[i]=0


for i in range(2,N+1):
    for j in range(K):
        L,R=S[j][0],S[j][1]
        if i-L>0: B[j]+=D[i-L]
        if i-R-1>0: B[j]-=D[i-R-1]

        D[i]+=B[j]
        
    D[i]%=998244353

print(D[N])
Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-

abc=[chr(i) for i in range(97,123)]

N=int(input())

ans=""

L=0
for i in range(1,12):
    if N > 26**i:
        N-=26**i
    else:
        L=i
        break
#print(L,N)
for i in range(L,1,-1):
    if N < 26**(i-1):
        ans+="a"
    else:        
       for j in range(1,26):
           if 26**(i-1)*j <= N and 26**(i-1)*(j+1) > N:
               ans+=abc[j]
               N-=26**(i-1)*j
               break
#print(L,N)
ans+=abc[N-1]
print(ans)


Fixed submission:
# -*- coding: utf-8 -*-

abc=[chr(i) for i in range(97,123)]

N=int(input())

#for n in range(1,100):
#N=n
ans=""

L=0
for i in range(1,12):
    if N >= 26**i:
        N-=26**i
    else:
        L=i
        break
#print(L,N)

if N==0:
    for i in range(L-1):
        ans+="z"
else:
    for i in range(L,1,-1):
        if N <= 26**(i-1):
            ans+="a"
        else:        
            for j in range(1,26):
                if 26**(i-1)*j < N and 26**(i-1)*(j+1) >= N:
                    ans+=abc[j]
                    N-=26**(i-1)*j
                    break
    ans+=abc[N-1]
print(ans)

"""
re=0
L=len(ans)
for i in range(L):
    ind=abc.index(ans[L-i-1])+1
    re+=ind*26**i

print(re)

if n!=re:
    print(n)
    break
"""
Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-

A,B=input().split()
x=int(B[0])
y=int(B[2])
z=int(B[3])

ans1=str(int(A)*x)
ans2=str(int(A)*y)
ans3=str(int(A)*z)

ans=int(ans1)+int(ans2[:-1])+int(ans1[-2])
if int(ans2[-1])*10+int(ans2[-2:]) > 100:
    ans+=1
print(int(ans))


Fixed submission:
# -*- coding: utf-8 -*-

A,B=input().split()

x=int(B[0])
y=int(B[2])
z=int(B[3])

ans=[0]*18
L=len(A)

for i in range(L):
    a=int(A[L-i-1])
    c=a*z
    ans[17-i]=c

for i in range(L):
    a=int(A[L-i-1])
    c=a*y
    ans[16-i]+=c

for i in range(L):
    a=int(A[L-i-1])
    c=a*x
    ans[15-i]+=c

S=0

for i in range(16):
    S+=ans[i]*10**(15-i)

if ans[16]*10+ans[17] > 100:
    S+=(ans[16]*10+ans[17])//100
print(int(S))
Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-

N,A,B,C=input().split()
D=dict()
D["A"]=int(A)
D["B"]=int(B)
D["C"]=int(C)

S=[]
for i in range(int(N)):
    S.append(input())

ans="Yes"
F=[]
for i,s in enumerate(S):
    if D[s[0]]==0 and D[s[1]]==0:
        ans="No"
        break
    if D[s[0]]==0 and D[s[1]]==1:
        F.append(s[0])
    if D[s[0]]==1 and D[s[1]]==0:
        F.append(s[1])
    if D[s[0]]==1 and D[s[1]]==1:
        if D["A"]+D["B"]+D["C"]==2:
            if i!=int(N)-1:
                s0=S[i+1][0]
                s1=S[i+1][1]
                if s[0]==s0 or s[0]==s1:
                    F.append(s[0])
                if s[1]==s0 or s[1]==s1:
                    F.append(s[1])
    if len(F)!=i+1:
        if D[s[0]]<D[s[1]]:
            F.append(s[0])
        if D[s[0]]>D[s[1]]:
            F.append(s[1])
        if D[s[0]]==D[s[1]]:
            F.append(s[0])

    D[F[-1]]+=1
    if s[0]==F[-1]: D[s[1]]+=1
    if s[1]==F[-1]: D[s[0]]+=1
    print(D)
    print(F)

print(ans)
if ans=="Yes":
    for f in F:
        print(f)



Fixed submission:
# -*- coding: utf-8 -*-

N,A,B,C=input().split()
D=dict()
D["A"]=int(A)
D["B"]=int(B)
D["C"]=int(C)

S=[]
for i in range(int(N)):
    S.append(input())

ans="Yes"
F=[]
for i,s in enumerate(S):
    if D[s[0]]==0 and D[s[1]]==0:
        ans="No"
        break
    if D[s[0]]==1 and D[s[1]]==1:
        if D["A"]+D["B"]+D["C"]==2:
            if i!=int(N)-1:
                if S[i+1] != s:
                    s0=S[i+1][0]
                    s1=S[i+1][1]
                    if s[0]==s0 or s[0]==s1:
                        F.append(s[0])
                    if s[1]==s0 or s[1]==s1:
                        F.append(s[1])
    if len(F)!=i+1:
        if D[s[0]]<D[s[1]]:
            F.append(s[0])
        if D[s[0]]>D[s[1]]:
            F.append(s[1])
        if D[s[0]]==D[s[1]]:
            F.append(s[0])

    D[F[-1]]+=1
    if s[0]==F[-1]: D[s[1]]-=1
    if s[1]==F[-1]: D[s[0]]-=1
    #print(D)
    #print(F)

print(ans)
if ans=="Yes":
    for f in F:
        print(f)