Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
N = int(input())
x = 0
for _ in range(N):
    k, u = tuple(input().split())
    k += float(x)*(380000 if u == 'BTC' else 1)
print(k)

Fixed submission:
N = int(input())
x = 0
for _ in range(N):
    k, u = input().split()
    x += float(k)*(380000 if u == 'BTC' else 1)
print(x)

Buggy python submission (verdict: Runtime Error):
N = int(input())
x = 0
for _ in range(N):
    k, u = input().split()
    k += float(x)*(380000 if u == 'BTC' else 1)
print(k)

Fixed submission:
N = int(input())
x = 0
for _ in range(N):
    k, u = input().split()
    x += float(k)*(380000 if u == 'BTC' else 1)
print(x)
Buggy python submission (verdict: Runtime Error):
N,K=map(int,input().split())
P=list(map(int,input().split()))

P.sort()
price=0
for i in range(K):
  price+=P[i]
  
print(price)


Fixed submission:
s=input()
TF=s.isupper()
if TF == True:
  print('A')
else:
  print('a')
Buggy python submission (verdict: Runtime Error):
N,K=map(int,input().split())
P=list(map(input().split()))

P.sort()
price=0
for i in range(K):
  price+=P[i]
  
print(price)

Fixed submission:
N,K=map(int,input().split())
P=list(map(int,input().split()))

P.sort()
price=0
for i in range(K):
  price+=P[i]
  
print(price)
Buggy python submission (verdict: Runtime Error):
N=int(input())
A=list(map(it,input().split()))
A.sort()
for i in range(N-1):
  if A[i]==A[i+1]:
    print('NO')
    break
else:
  print('YES')
  


Fixed submission:
N=int(input())
A=list(map(int,input().split()))
A.sort()
for i in range(N-1):
  if A[i]==A[i+1]:
    print('NO')
    break
else:
  print('YES')

Buggy python submission (verdict: Runtime Error):
N=int(input())
A=list(map(it,input().split()))
A.sort()
for i in range(N-1):
  if A[i]=A[i+1]:
    print('NO')
    break
else:
  print('YES')
  

Fixed submission:
N=int(input())
A=list(map(int,input().split()))
A.sort()
for i in range(N-1):
  if A[i]==A[i+1]:
    print('NO')
    break
else:
  print('YES')
Buggy python submission (verdict: Time Limit Exceeded):
H=int(input())
num=0
X=H
while True:
  X=H//2
  num+=1
  if X==0:
    break
print(2**num -1)


Fixed submission:
H=int(input())
num=0
X=H
while True:
  X=X//2
  num+=1
  if X==0:
    break
print(2**num -1)
Buggy python submission (verdict: Runtime Error):
N,M=map(int,imput().split())
if N==M:
  print('Yes')
else:
  print('No')


Fixed submission:
N,M=map(int,input().split())
if N==M:
  print('Yes')
else:
  print('No')

Buggy python submission (verdict: Runtime Error):
N,M=map(int,imput().split())
if N=M:
  print('Yes')
else:
  print('No')

Fixed submission:
N,M=map(int,input().split())
if N==M:
  print('Yes')
else:
  print('No')
Buggy python submission (verdict: Runtime Error):
A=int(input())
print(6-A-int(input())

Fixed submission:
A=int(input())
print(6-A-int(input()))
Buggy python submission (verdict: Runtime Error):
N=int(input())
S,T=input().split()
result=''
for i in range N:
  result=S[i]+T[i]
print(result)

Fixed submission:
N=int(input())
S,T=input().split()
result=''
for i in range(N):
  result+=S[i]+T[i]
print(result)
Buggy python submission (verdict: Runtime Error):
import fractions as fr
A,B=map(int,input().split())
print(A*B//fr.gcd(A,B)

Fixed submission:
import fractions as fr
A,B=map(int,input().split())
print(A*B//fr.gcd(A,B))
Buggy python submission (verdict: Runtime Error):
S=int(input())
num=0
for i in range(len(S)//2):
  if S[i]!=S[-i]:
    num+=1
print(num)
  

Fixed submission:
S=input()
num=0
for i in range(len(S)//2):
  if S[i]!=S[-(i+1)]:
    num+=1
print(num)
Buggy python submission (verdict: Runtime Error):
N=int(input())
S=input()
if N%2 !=0:
  print("No")
elif S[:N/2]==S[N/2:]:
  print("Yes")
else:
  print("No")

Fixed submission:
N=int(input())
S=input()
X=int(N/2)
T=S[:X]+S[:X]
if N%2 !=0:
  print("No")
elif S==T:
  print("Yes")
else:
  print("No")
Buggy python submission (verdict: Runtime Error):
A,B=map(int,input().split())
if　(A+B)%2 !=0:
  print('IMPOSSIBLE')
else:
  print((A+B)//2)


Fixed submission:
A,B=map(int,input().split())
if (A+B)%2 !=0:
  print('IMPOSSIBLE')
else:
  print((A+B)//2)

Buggy python submission (verdict: Runtime Error):
A,B=map(int,input().split())
if　(A+B)%2 !=0:
  print('IMPOSSIBLE')
else:
  print((A+B)//2)

Fixed submission:
A,B=map(int,input().split())
if (A+B)%2 !=0:
  print('IMPOSSIBLE')
else:
  print((A+B)//2)
Buggy python submission (verdict: Runtime Error):
N=int(input())
p=list(map(int,input().split()))
false_num=0
for i in range(N-1):
    if p[i]+1==p[i+1]:
        continue
    else:
        false_num+=1

if false_num=0 or 2:
    print('YES')
else:
    print('NO')


    
        

Fixed submission:
N=int(input())
p=list(map(int,input().split()))
false_num=0
for i in range(N):
    if p[i] != i+1:
        
        false_num+=1

if false_num==0 or false_num==2:
    print('YES')
else:
    print('NO')
Buggy python submission (verdict: Runtime Error):
N=int(input())
for i in range 26:
  for j in range 14:
    if i+j==N:
      print('Yes')
      break
  else:
    continue
  break
else:
  print('No')
  

Fixed submission:
N=int(input())
for i in range(26):
  price=4*i
  for j in range(16):
    price+=7*j
    if price==N:
      print('Yes')
      break
  if price==N:
      break
else:
  print('No')

Buggy python submission (verdict: Runtime Error):
N=int(input())
for i in range 26:
  price=4*i
  for j in range 16:
    price+=7*j
    if price==N:
      print('Yes')
      break
print('No')


Fixed submission:
N=int(input())
for i in range(26):
  price=4*i
  for j in range(16):
    price+=7*j
    if price==N:
      print('Yes')
      break
  if price==N:
      break
else:
  print('No')

Buggy python submission (verdict: Runtime Error):
N=int(inout())
for i in range 26:
  price=4*i
  for j in range 16:
    price+=7*j
    if price==N:
      print('Yes')
      break
print('No')

Fixed submission:
N=int(input())
for i in range(26):
  price=4*i
  for j in range(16):
    price+=7*j
    if price==N:
      print('Yes')
      break
  if price==N:
      break
else:
  print('No')
Buggy python submission (verdict: Runtime Error):
a = input()
if 0 <= ord(a) - ord('a') <= 26:
  return 'a'
if 0 <= ord(a) - ord('A') <= 26:
  return 'A'

Fixed submission:
a = input()
if a.islower():
  print('a')
if a.isupper():
  print('A')

Buggy python submission (verdict: Runtime Error):
a = int(input())
if 0 <= ord(a) - ord('a') <= 26:
  return 'a'
if 0 <= ord(a) - ord('A') <= 26:
  return 'A'

Fixed submission:
a = input()
if a.islower():
  print('a')
if a.isupper():
  print('A')
Buggy python submission (verdict: Time Limit Exceeded):
import collections
N = int(input())
A = list(map(int, input().split()))
indices = collections.defaultdict(list)
for i, a in enumerate(A):
  indices[a].append(i)
Q = int(input())
for _ in range(Q):
  B, C = map(int, input().split())
  for i in indices[B]:
    indices[C].append(i)
    A[i] = C
  print(sum(A))

Fixed submission:
import collections
N = int(input())
A = list(map(int, input().split()))
count = collections.defaultdict(int)
currSum = 0
for a in A:
  count[a] += 1
  currSum += a
Q = int(input())
for _ in range(Q):
  B, C = map(int, input().split())
  currSum += (count[B] * (C - B))
  count[C] += count[B]
  count[B] = 0
  print(currSum)

Buggy python submission (verdict: Runtime Error):
N = int(input())
A = map(int, input.split())
indices = collections.defaultdict(list)
for i, a in enumerate(A):
  indices[a].append(i)
Q = int(input())
for _ in Q:
  B, C = map(int, input.split())
  for i in indices[B]:
    indices[C].append(i)
    A[i] = C
  print(sum(A))

Fixed submission:
import collections
N = int(input())
A = list(map(int, input().split()))
count = collections.defaultdict(int)
currSum = 0
for a in A:
  count[a] += 1
  currSum += a
Q = int(input())
for _ in range(Q):
  B, C = map(int, input().split())
  currSum += (count[B] * (C - B))
  count[C] += count[B]
  count[B] = 0
  print(currSum)
Buggy python submission (verdict: Runtime Error):
S,T=map(input().split())
A,B=map(int,input().split())
U=input()

if U==S:
  print(A-1)
  print(B)
else:
  print(A)
  print(B-1)

Fixed submission:
S,T=input().split()
A,B=map(int,input().split())
U=input()
 
if U==S:
  print(A-1)
  print(B)
else:
  print(A)
  print(B-1)
Buggy python submission (verdict: Runtime Error):
A,B,K=map(int,input().Split())

if A-K>0:
  print(A-K, B)
elif B-(K-A)>0:
  print(0, B-K+A)
else:
  print(0,0)

Fixed submission:
A,B,K=map(int,input().split())
 
if A-K>0:
  print(A-K, B)
elif B-(K-A)>0:
  print(0, B-K+A)
else:
  print(0,0)

Buggy python submission (verdict: Runtime Error):
A,B=map(int,input().Split())
K=int(input())

if A-K>0:
  print(A-K, B)
elif B-(K-A)>0:
  print(0, B-K+A)
else:
  print(0,0)

Fixed submission:
A,B,K=map(int,input().split())
 
if A-K>0:
  print(A-K, B)
elif B-(K-A)>0:
  print(0, B-K+A)
else:
  print(0,0)
Buggy python submission (verdict: Runtime Error):
b=input()
if b=A:
  print("T")
elif b=T:
  print("A")
elif b=C:
  print("G")
else:
  print("C")

Fixed submission:
b=input()
if b=="A":
  print("T")
elif b=="T":
  print("A")
elif b=="C":
  print("G")
else:
  print("C")
Buggy python submission (verdict: Runtime Error):
A, B, C = map(int, input().slpit())
 
if A==B:
  print(C)
elif B==C:
  print(A)
else:
  print(B)

Fixed submission:
A, B, C = map(int, input().split())
 
if A==B:
  print(C)
elif B==C:
  print(A)
else:
  print(B)

Buggy python submission (verdict: Runtime Error):
A, B, C=map(int, input().slpit())
 
if A==B:
  print(C)
elif B==C:
  print(A)
else:
  print(B)

Fixed submission:
A, B, C = map(int, input().split())
 
if A==B:
  print(C)
elif B==C:
  print(A)
else:
  print(B)

Buggy python submission (verdict: Runtime Error):
A, B, C = map(int,input().slpit())
 
if A==B:
  print(C)
elif B==C:
  print(A)
else:
  print(B)

Fixed submission:
A, B, C = map(int, input().split())
 
if A==B:
  print(C)
elif B==C:
  print(A)
else:
  print(B)

Buggy python submission (verdict: Runtime Error):
A,B,C = map(int,input().slpit())
 
if A==B:
  print(C)
elif B==C:
  print(A)
else:
  print(B)

Fixed submission:
A, B, C = map(int, input().split())
 
if A==B:
  print(C)
elif B==C:
  print(A)
else:
  print(B)

Buggy python submission (verdict: Runtime Error):
A, B, C=map(int, input().slpit())
 
if A==B:
  print(C)
elif B==C:
  print(A)
else:
  print(B)

Fixed submission:
A, B, C = map(int, input().split())
 
if A==B:
  print(C)
elif B==C:
  print(A)
else:
  print(B)

Buggy python submission (verdict: Runtime Error):
A,B,C=map(int, input().slpit())
 
if A==B:
  print(C)
elif B==C:
  print(A)
else:
  print(B)

Fixed submission:
A, B, C = map(int, input().split())
 
if A==B:
  print(C)
elif B==C:
  print(A)
else:
  print(B)

Buggy python submission (verdict: Runtime Error):
A,B,C=map(int,input().slpit())

if A==B:
  print(C)
elif B==C:
  print(A)
else:
  print(B)

Fixed submission:
A, B, C = map(int, input().split())
 
if A==B:
  print(C)
elif B==C:
  print(A)
else:
  print(B)

Buggy python submission (verdict: Runtime Error):
A=int(input())
B=int(input())
C=int(input())
 
if A==B:
  print(C)
elif B==C:
  print(A)
else:
  print(B)

Fixed submission:
A, B, C = map(int, input().split())
 
if A==B:
  print(C)
elif B==C:
  print(A)
else:
  print(B)

Buggy python submission (verdict: Runtime Error):
A=int(input())
B=int(input())
C=int(input())

if A=B:
  print(C)
elif B=C:
  print(A)
else:
  print(B)

Fixed submission:
A, B, C = map(int, input().split())
 
if A==B:
  print(C)
elif B==C:
  print(A)
else:
  print(B)
Buggy python submission (verdict: Runtime Error):
# coding: utf-8
# Your code here!
N=int(input())
A=list(map(int,input().split()))
Q=int(input())
Adic={}
B=0

for i in A:
    Adic[i]=0

for i in A:
    Adic[i]+=1

for i in range(Q):
    b,c=map(int,input().split())
    
    if b not in Adic:
        for k,v in Adic.items():
            B+=k*v
        print(B)
        B=0
    else:
        
        if c in Adic:
            Adic[c]+=Adic[b]
            Adic[b]=0
        elif c not in Adic:
            Adic[c]=0
            Adic[c]+=Adic[b]
            Adic[b]=0
            
        for k,v in Adic.items():
            B+=k*v
        print(B)
        B=0

Fixed submission:
i=input()
if i.islower():
    print("a")
elif i.isupper():
    print("A")

Buggy python submission (verdict: Runtime Error):
ch = input()
if(ch>='A' && ch <='Z'):
  print('A')
 else:
  print('a')

Fixed submission:
ch = input()
if(ch>='A' and ch <='Z'):
    print('A')
else:
  print('a')
Buggy python submission (verdict: Time Limit Exceeded):
n,k = map(int,input().split())
al = list(map(int,input().split()))

for _ in range(k):
    imos = [0 for i in range(n+1)]
    for idx, a in enumerate(al):
        imos[max(idx-a, 0)] += 1
        imos[min(idx+a+1, n)] -= 1
    al = []
    now = 0
    for i in imos:
        now += i
        al.append(now)
    if len(set(al)) == 1 and al[0] == n:
        break

print(*al[:-1])


Fixed submission:
n,k = map(int,input().split())
al = list(map(int,input().split()))

for _ in range(k):
    imos = [0 for i in range(n+1)]
    for idx, a in enumerate(al):
        imos[max(idx-a, 0)] += 1
        imos[min(idx+a+1, n)] -= 1
    al = []
    now = 0
    for i in imos:
        now += i
        al.append(now)
    if len(set(al[:-1])) == 1 and al[0] == n:
        break

print(*al[:-1])
Buggy python submission (verdict: Runtime Error):
n,k = map(int,input().split())

al = list(map(int,input().split()))

ansl = []
used = [0 for i in range(n)]
now = 0
while True:
    if used[now] == 1:
        break
    ansl.append(now)
    used[now] = 1
    now = al[now] -1

l = len(ansl)
last = ansl.index(now)
loop = ansl[last:]
if k <= len(ansl):
    print(ansl[k])
else:
    k -= len(ansl)
    print(loop[k%len(loop)]+1)




Fixed submission:
n,k = map(int,input().split())

al = list(map(int,input().split()))

ansl = []
used = [0 for i in range(n+1)]
now = 0
while True:
    if used[now] == 1:
        break
    ansl.append(now)
    used[now] = 1
    now = al[now] - 1

l = len(ansl)
last = ansl.index(now)
loop = ansl[last:]

if k < len(ansl):
    print(ansl[k] + 1)
else:
    k -= len(ansl)
    print(loop[k % len(loop)] + 1)
Buggy python submission (verdict: Time Limit Exceeded):
import sys
sys.setrecursionlimit(10 ** 6)
n = int(input())

def make_divisors(n):
    divisors = []
    for i in range(1, int(n**0.5)+1):
        if n % i == 0:
            divisors.append(i)
            if i != n // i:
                divisors.append(n//i)

    # divisors.sort()
    return divisors



ansl = list(set(make_divisors(n-1)))
ansl.remove(1)

import sys
sys.setrecursionlimit(10 ** 6)

def check(i, k):
    if i == 1:
        return True
    if i < 1:
        return False
    if i % k == 0:
        return check(i // k, k)
    else:
        return check(i - k, k)

ansl2 = []
for i in make_divisors(n):
    if i == 1:
        continue
    elif i == 2:
        ansl.append(2)
    elif check(n, i):
        ansl2.append(i)

print(len(set(ansl + ansl2)))

Fixed submission:
n = int(input())


def make_divisors(n):
    divisors = []
    for i in range(1, int(n ** 0.5) + 1):
        if n % i == 0:
            divisors.append(i)
            if i != n // i:
                divisors.append(n // i)

    # divisors.sort()
    return divisors



ansl = make_divisors(n-1)
ansl.remove(1)
for i in make_divisors(n):
    if i == 1:
        continue
    k = n
    while k:
        if k % i == 0:
            k //= i
        else:
            if k % i == 1:
                ansl.append(i)
            break

print(len(set(ansl)))
Buggy python submission (verdict: Runtime Error):
h,w,k = map(int,input().split())

sl = []
for _ in range(h):
    s = list(input())
    s = [int(i) for i in s]
    sl.append(s)
import itertools
sl_ac = []
for s in sl:
     ac = [0] + list(itertools.accumulate(s))
     sl_ac.append(ac)

anss = float("inf")


from itertools import product
for bits in product([0, 1], repeat=h-1):
    ans = 0
    ans += sum(bits)
    p = 0
    group = [0 for i in range(h)]
    for idx, bit in enumerate(bits):
        group[idx] = p
        p += bit
    group[-1] = p
    sum_group = [0 for i in range(sum(bits) + 1)]
    reset = 0
    flag = "OK"
    for i in range(w):
        for j in range(h):
            sum_group[group[j]] += sl[j][i]
        if max(sum_group) > k:
            if i == 0:
                flag = "NG"
            else:
                ans += 1
                reset = i
                sum_group = [0 for i in range(sum(bits) + 1)]
                for j in range(h):
                    sum_group[group[j]] += sl[j][i]
                if max(sum_group) > k:
                    flag = "NG"

    if flag == "OK":
        anss = min(ans, anss)
print(anss)






Fixed submission:
s = list(input())
n = len(s)
if s != list(reversed(s)):
    print("No")
    exit()
if s[:n//2] != list(reversed(s[:n//2])):
    print("No")
    exit()
if s[(n//2)+1:] != list(reversed(s[(n//2)+1:])):
    print("No")
    exit()
print("Yes")
Buggy python submission (verdict: Time Limit Exceeded):
h,w,k = map(int,input().split())

sl = []
for _ in range(h):
    s = list(input())
    s = [int(i) for i in s]
    sl.append(s)
import itertools
sl_ac = []
for s in sl:
     ac = [0] + list(itertools.accumulate(s))
     sl_ac.append(ac)

anss = float("inf")


from itertools import product
for bits in product([0, 1], repeat=h-1):
    ans = 0
    ans += sum(bits)
    p = 0
    group = [0 for i in range(h)]
    for idx, bit in enumerate(bits):
        group[idx] = p
        p += bit
    group[-1] = p
    sum_group = [0 for i in range(sum(bits) + 1)]
    reset = 0
    flag = "OK"
    for i in range(w):
        for j in range(h):
            sum_group[group[j]] += sl[j][i]
        if max(sum_group) > k:
            if i == 0:
                flag = "NG"
            else:
                ans += 1
                reset = i
                sum_group = [0 for i in range(sum(bits) + 1)]
                for j in range(h):
                    sum_group[group[j]] += sl[j][i]
                if max(sum_group) > k:
                    flag = "NG"

    if flag == "OK":
        anss = min(ans, anss)
print(anss)






Fixed submission:
h,w,k = map(int,input().split())

sl = []
for _ in range(h):
    s = list(input())
    s = [int(i) for i in s]
    sl.append(s)
import itertools
sl_ac = []
for s in sl:
     ac = [0] + list(itertools.accumulate(s))
     sl_ac.append(ac)

anss = float("inf")


from itertools import product
for bits in product([0, 1], repeat=h-1):
    ans = 0
    ans += sum(bits)
    p = 0
    group = [0 for i in range(h)]
    for idx, bit in enumerate(bits):
        group[idx] = p
        p += bit
    group[-1] = p
    sum_group = [0 for i in range(sum(bits) + 1)]
    reset = 0
    flag = "OK"
    for i in range(w):
        for j in range(h):
            sum_group[group[j]] += sl[j][i]
        if max(sum_group) > k:
            if i == 0:
                flag = "NG"
            else:
                ans += 1
                reset = i
                sum_group = [0 for i in range(sum(bits) + 1)]
                for j in range(h):
                    sum_group[group[j]] += sl[j][i]
                if max(sum_group) > k:
                    flag = "NG"

    if flag == "OK":
        anss = min(ans, anss)
print(anss)
Buggy python submission (verdict: Time Limit Exceeded):
from collections import deque
sl = list(input())
q = int(input())
dl = deque(sl)
for _ in range(q):
    query = list(map(str, input().split()))
    if len(query) == 1:
        dl.reverse()
    else:
        if query[1] == "1":
            dl.appendleft(query[2])
        else:
            dl.append(query[2])
print("".join(dl))

Fixed submission:
from collections import deque
sl = list(input())
q = int(input())
dl = deque(sl)
r = 0
for _ in range(q):
    query = list(map(str, input().split()))
    if len(query) == 1:
        r += 1
    else:
        if r % 2 == 0:
            if query[1] == "1":
                dl.appendleft(query[2])
            else:
                dl.append(query[2])
        else:
            if query[1] == "1":
                dl.append(query[2])
            else:
                dl.appendleft(query[2])
if r % 2 == 1:
    dl.reverse()
print("".join(dl))
Buggy python submission (verdict: Time Limit Exceeded):
N,d,a = map(int,input().split())

# N: 処理する区間の長さ

data0 = [0]*(N+1)
data1 = [0]*(N+1)
# 区間[l, r)に x を加算
def _add(data, k, x):
    while k <= N:
        data[k] += x
        k += k & -k
def add(l, r, x):
    _add(data0, l, -x*(l-1))
    _add(data0, r, x*(r-1))
    _add(data1, l, x)
    _add(data1, r, -x)

# 区間[l, r)の和を求める
def _get(data, k):
    s = 0
    while k:
        s += data[k]
        k -= k & -k
    return s
def query(l, r):
    return _get(data1, r-1) * (r-1) + _get(data0, r-1) - _get(data1, l-1) * (l-1) - _get(data0, l-1)

xhl = []
for _ in range(N):
    x,h = map(int,input().split())
    xhl.append((x,h))

xhl = sorted(xhl)
xl = [x for x,h in xhl]

for idx in range(N):
    add(idx+1, idx+2, xhl[idx][1])

def ceil(a, b):
   return a // b + (a % b > 0)

import bisect

ans = 0
for i in range(N):
    hp = query(i + 1, i + 2)
    if hp > 0:
        count = ceil(hp, a)
        ans += count
        damage = count * a
        idx = bisect.bisect_right(xl, xl[i] + 2*d)
        add(i+1, idx+1, -damage)
print(ans)







Fixed submission:
N,d,a = map(int,input().split())

# N: 処理する区間の長さ

data0 = [0]*(N+1)
data1 = [0]*(N+1)
# 区間[l, r)に x を加算
def _add(data, k, x):
    while k <= N:
        data[k] += x
        k += k & -k
def add(l, r, x):
    _add(data0, l, -x*(l-1))
    _add(data0, r, x*(r-1))
    _add(data1, l, x)
    _add(data1, r, -x)

# 区間[l, r)の和を求める
def _get(data, k):
    s = 0
    while k:
        s += data[k]
        k -= k & -k
    return s
def query(l, r):
    return _get(data1, r-1) * (r-1) + _get(data0, r-1) - _get(data1, l-1) * (l-1) - _get(data0, l-1)

xhl = []
for _ in range(N):
    x,h = map(int,input().split())
    xhl.append((x,h))

xhl = sorted(xhl)
xl = [x for x,h in xhl]

for idx in range(N):
    add(idx+1, idx+2, xhl[idx][1])

def ceil(a, b):
   return a // b + (a % b > 0)

import bisect

ans = 0
for i in range(N):
    hp = query(i + 1, i + 2)
    if hp > 0:
        count = ceil(hp, a)
        ans += count
        damage = count * a
        idx = bisect.bisect_right(xl, xl[i] + 2*d)
        add(i+1, idx+1, -damage)
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
xl = list(map(int,input().split()))

bl = []

for i in range(n-1):
    bl.append(xl[i+1] - xl[i])

import math
a = math.factorial(n-1)
c = a
ans = 0

for i in range(n-1):
    ans += c * bl[i]
    ans %= 10**9 + 7
    c += a // (i+2)

print(ans)

Fixed submission:
n = int(input())
xl = list(map(int,input().split()))

bl = []

for i in range(n-1):
    bl.append(xl[i+1] - xl[i])

import itertools
bl_ac = list(itertools.accumulate(bl))

MOD = 10**9 + 7
N = 10**5

fact = [1]*(N+1)
rfact = [1]*(N+1)
r = 1
for i in range(1, N+1):
  fact[i] = r = r * i % MOD
rfact[N] = r = pow(fact[N], MOD-2, MOD)
for i in range(N, 0, -1):
  rfact[i-1] = r = r * i % MOD

# nPk (mod MOD) を求める
def perm(n, k):
  return fact[n] * rfact[n-k] % MOD

# nCk (mod MOD) を求める
def comb(n, k):
  return fact[n] * rfact[k] * rfact[n-k] % MOD

ans = 0
p = 1
c = 1
for i in range(n-1):
    ans += bl[i] * perm(n-1, n-2-i) * c
    ans %= MOD
    c *= i + 2
    c += p
    c %= MOD
    p *= i + 2
    p %= MOD

print(ans)