Harryxun/sft_time huggingface dataset:
### BUGGY CODE ###

import numpy as np
import scipy.sparse as sps
import scipy.misc as spm
import collections as col
import functools as func
import itertools as ite
import fractions as frac
import math as ma
import cmath as cma
import copy as cp
import sys
def sinput(): return sys.stdin.readline().strip()
def iinput(): return int(sinput())
def imap(): return map(int, sinput().split())
def fmap(): return map(float, sinput().split())
def iarr(n=0):
    if n: return [0 for _ in range(n)]
    else: return list(imap())
def farr(): return list(fmap())
def sarr(n=0):
    if n: return ["" for _ in range(n)]
    else: return sinput().split()
def barr(n): return [False for _ in range(n)]
sys.setrecursionlimit(10**7)
MOD = 10**9 + 7; EPS = sys.float_info.epsilon
PI = np.pi; EXP = np.e; INF = np.inf

s = sinput().split()
q = iinput()
cnt = 0
for i in range(q):
    try: t,f,c = sarr()
    except: cnt += 1; cnt %= 2; continue
    if cnt: #反転の状態
        if f == "1": s.append(c)
        if f == "2": s.insert(0,c)
    else: #ノーマル状態
        if f == "1": s.insert(0,c)
        if f == "2": s.append(c)
    #print(s)

s = "".join(s)
s = s[::-1] if cnt else s
print(s)



### FIXED CODE ###

import numpy as np
import scipy.sparse as sps
import scipy.misc as spm
import collections as col
import functools as func
import itertools as ite
import fractions as frac
import math as ma
import cmath as cma
import copy as cp
import sys
def sinput(): return sys.stdin.readline().strip()
def iinput(): return int(sinput())
def imap(): return map(int, sinput().split())
def fmap(): return map(float, sinput().split())
def iarr(n=0):
    if n: return [0 for _ in range(n)]
    else: return list(imap())
def farr(): return list(fmap())
def sarr(n=0):
    if n: return ["" for _ in range(n)]
    else: return sinput().split()
def barr(n): return [False for _ in range(n)]
sys.setrecursionlimit(10**7)
MOD = 10**9 + 7; EPS = sys.float_info.epsilon
PI = np.pi; EXP = np.e; INF = np.inf

s = col.deque(sinput().split())
q = iinput()
cnt = 0
for i in range(q):
    try: t,f,c = sarr()
    except: cnt += 1; cnt %= 2; continue
    if cnt: #反転の状態
        if f == "1": s.append(c)
        if f == "2": s.appendleft(c)
    else: #ノーマル状態
        if f == "1": s.appendleft(c)
        if f == "2": s.append(c)
    #print(s)

s = "".join(s)
s = s[::-1] if cnt else s
print(s)
### BUGGY CODE ###

#!/usr/bin/env python3

def main():
    N, K = map(int, input().split())
    A = list(map(int, input().split()))

    point = [1] * K
    point[0] = A[0]

    for i in range(1, K):
        point[i] = point[i - 1] * A[i]

    ans = ['No'] * (N - K)
    p = point[K - 1]
    for i in range(N - K):
        tmp = p * A[K + i] / A[i]
        if p < tmp:
            ans[i] = 'Yes'
        p = tmp
    print("\n".join(ans))

if __name__ == "__main__":
    main()


### FIXED CODE ###

#!/usr/bin/env python3

def main():
    N, K = map(int, input().split())
    A = list(map(int, input().split()))

    ans = ['No'] * (N - K)
    for i in range(N - K):
        tmp = A[K + i] / A[i]
        if 1 < tmp:
            ans[i] = 'Yes'
    print("\n".join(ans))


if __name__ == "__main__":
    main()
### BUGGY CODE ###

import math
(r, p)=[int(n) for n in input().split()]
route_list=[[0 for j in range(r)] for i in range(r)]
for i in range(p):
  (x, y)=[int(n)-1 for n in input().split()]
  route_list[x][y] = 1
  route_list[y][x] = 1 

node_num = len(route_list)

unsearched_nodes = list(range(node_num))
distance = [math.inf] * node_num
previous_nodes = [-1] * node_num
distance[0] = 0

def initial():
  unsearched_nodes = list(range(node_num))
  distance = [math.inf] * node_num
  previous_nodes = [-1] * node_num
  distance[0] = 0

def get_target_min_index(min_index, distance, unsearched_nodes):
    start = 0
    while True:
        index = distance.index(min_index, start)
        found = index in unsearched_nodes
        if found:
            return index
        else:
            start = index + 1

while(len(unsearched_nodes) != 0):
    posible_min_distance = math.inf
    for node_index in unsearched_nodes:
        if posible_min_distance > distance[node_index]: 
            posible_min_distance = distance[node_index]
    target_min_index = get_target_min_index(posible_min_distance, distance, unsearched_nodes)
    unsearched_nodes.remove(target_min_index)

    target_edge = route_list[target_min_index]
    for index, route_dis in enumerate(target_edge):
        if route_dis != 0:
            if distance[index] > (distance[ target_min_index] + route_dis):
                distance[index] = distance[ target_min_index] + route_dis
                previous_nodes[index] =  target_min_index

ans=[-1]*(r-1)
for i in range(1, r):
  initial()
  if ans[i-1] != -1:
    continue
  previous_node = i
  string=""
  while previous_node != -1:
    if previous_node !=0:
        string += str(previous_node + 1) + " "
    else:
        string += str(previous_node + 1)
    previous_node = previous_nodes[previous_node]
  string = string.split()
  for i, v in enumerate(string[:-1]):
    ans[int(v)-2]=string[i+1]

if "No" in ans:
  print("No")
else:
  print("Yes")
  for i in ans:
    print(i)

### FIXED CODE ###

(r, p)=[int(n) for n in input().split()]
route_list=[[] for i in range(r)]
for i in range(p):
  (x, y)=[int(n)-1 for n in input().split()]
  route_list[x].append(y)
  route_list[y].append(x)

upstair=[0]
ans=[-1]*r
while upstair:
  tmp=[]
  for i in upstair:
    for j in route_list[i]:
      if ans[j] == -1:
        ans[j] = i + 1
        tmp.append(j)
  upstair=tmp

if -1 in ans:
  print("No")
else:
  print("Yes")
  for i in ans[1:]:
    print(i)
### BUGGY CODE ###

n, m = map(int, input().split())
h = list(map(int, input().split()))
ab = [list(map(int, input().split())) for i in range(m)]   
result = 0

for i in range(n):
    cnt = 0
    j = i + 1
    x = []
    for a, b in ab:
        if j == a:
            x.append(b)
        elif j == b:
            x.append(a)
    for y in x:
        if h[i] > h[y-1]:
            cnt += 1
        elif h[i] <= h[y-1]:
            break
    if cnt == len(x):
        result += 1

print(result)

### FIXED CODE ###

n, m = map(int, input().split())
h = list(map(int, input().split()))
cnt = [1] * n
for i in range(m):
    a, b = map(int,input().split())
    if h[a-1] > h[b-1]:
        cnt[b-1] = 0
    elif h[a-1] == h[b-1]:
        cnt[a-1] = 0
        cnt[b-1] = 0
    else:
        cnt[a-1] = 0
print(sum(cnt))
### BUGGY CODE ###

n = int(input())
a = list(map(int,input().split()))
b = list(map(int,input().split()))

ans = 0
ai = 0
bi = 0
while 1:
    if max(b) == 0:
        break
    if a[ai] < b[bi]:
        ans += a[ai]
        b[bi] -= a[ai]
        a[ai] = 0
        ai += 1
    elif a[ai] == b[bi]:
        ans += a[ai]
        b[bi] = 0
        a[ai] = 0
        ai += 1
        bi += 1
    else:
        ans += b[bi]
        a[ai] -= b[bi]
        b[bi] = 0
        if ai > bi:
            bi += 1
        else:
            ai += 1
            bi += 1
 #   print(a)
 #   print(b)
 #   print(ai,bi)
    if ai >= n+1 or bi >= n:
        break
print(ans)

### FIXED CODE ###

n = int(input())
a = list(map(int,input().split()))
b = list(map(int,input().split()))

ans = 0
"""
ai = 0
bi = 0
while 1:
    if max(b) == 0:
        break
    if a[ai] < b[bi]:
        ans += a[ai]
        b[bi] -= a[ai]
        a[ai] = 0
        ai += 1
    elif a[ai] == b[bi]:
        ans += a[ai]
        b[bi] = 0
        a[ai] = 0
        ai += 1
        bi += 1
    else:
        ans += b[bi]
        a[ai] -= b[bi]
        b[bi] = 0
        if ai > bi:
            bi += 1
        else:
            ai += 1
            bi += 1
 #   print(a)
 #   print(b)
 #   print(ai,bi)
    if ai >= n+1 or bi >= n:
        break
print(ans)
"""
for i in range(n):
    if b[i] >= a[i] + a[i+1]:
        ans += a[i] + a[i+1]
        a[i+1] = 0
    else:
        if b[i] >= a[i]:
            ans += b[i]
            a[i+1] -= (b[i]-a[i])
        else:
            ans += b[i]
print(ans)
### BUGGY CODE ###

n = int(input())
S = list(map(int, input().split()))
q = int(input())
T = list(map(int, input().split()))

Sum = 0

for i in T:
  if i in S:
    Sum += 1
print(Sum)

### FIXED CODE ###

n = int(input())
S = set(input().split())
q = int(input())
T = set(input().split())

print(len(S & T))
### BUGGY CODE ###

n = int(input())
s = [input() for _ in range(n)]
d = {}
for i in s:
  if i in d:
    d[i] += 1
  else:
    d[i] = 1
ans = [kv[0] for kv in d.items() if kv[1] == max(d.values())]
ans.sort()
print('\n'.join(ans))

### FIXED CODE ###

n = int(input())
s = [input() for _ in range(n)]
d = {}
for i in s:
  if i in d:
    d[i] += 1
  else:
    d[i] = 1
vmax = max(d.values())
ans = [kv[0] for kv in d.items() if kv[1] == vmax]
ans.sort()
print('\n'.join(ans))
### BUGGY CODE ###

n=int(input())
a=list(map(int,input().split()))
ans=[]
for i in range(n):
    if (n-1)%2==i%2:
        ans.insert(0,a[i])
    else:
        ans.insert(len(ans),a[i])
for i in range(len(ans)):
    print(ans[i],end=' ')


### FIXED CODE ###

from collections import deque
n=int(input())
a=list(map(int,input().split()))
ans=deque([a[0]])
for i in range(1,n):
    if (n-1)%2==i%2:
        ans.appendleft(a[i])
    else:
        ans.append(a[i])
print(" ".join(map(str,ans)))
### BUGGY CODE ###

import math

N = int(input())
ans = 0

kai = math.factorial(N)

for i in range(1,kai+1):
    if kai % i == 0:
        ans += 1

print(ans)


### FIXED CODE ###

N = int(input())
count = [1]*(N+1)
ans = 1
mod = 10**9+7

for i in range(2,N+1):
    wari = i
    for w in range(2,i+1):
        while wari % w == 0:
            count[w] += 1
            wari /= w

for i in range(N+1):
    ans *= count[i]

print(ans % mod)
### BUGGY CODE ###

a,b,k=map(int,input().split())
print(*sorted((set(range(a,a+k))|set(range(b-k+1,b+1)))&set(range(a,b+1))),sep='\n')

### FIXED CODE ###

a,b,k=map(int,input().split())
print(*sorted(set(range(a,min(b+1,a+k)))|set(range(max(b-k+1,a),b+1))),sep='\n')
### BUGGY CODE ###

V = int(input())
A = [list(map(int, input().split())) for _ in range(V)]

ret = 0
for i in range(V):
    for j in range(i+1, V):
        f = True
        for k in range(V):
            if i == k or j == k:
                continue
            if A[i][j] > A[i][k] + A[k][j]:
                print(-1)
                exit()
            elif A[i][j] == A[i][k] + A[k][j]:
                f = False
        if f:
            ret += A[i][j]

print(ret)


### FIXED CODE ###

V = int(input())
A = [list(map(int, input().split())) for _ in range(V)]

ret = 0
for i in range(V):
    for j in range(i+1, V):
        f = True
        for k in range(V):
            if i == k or j == k:
                continue
            if A[i][j] > A[i][k] + A[k][j]:
                print(-1)
                exit()
            elif A[i][j] == A[i][k] + A[k][j]:
                f = False
        if f:
            ret += A[i][j]

print(ret)
### BUGGY CODE ###

def modinv(a, mod=10**9+7):
    return pow(a, mod-2, mod) 
  
def comb(n, r, mod=10**9+7):
    r = min(r, n-r)
    res = 1
    for i in range(r):
        res = res * (n - i) * modinv(i+1, mod) % mod
    return res

n,k = [int(i) for i in input().split()]
mod = 10**9+7
ans = 0

for i in range(min(n,k+1)):
  ans += (comb(n,i,mod)*comb(n-1,i,mod)%mod)
  ans %= mod
  
print(ans)

### FIXED CODE ###

def make_array_for_comb(N, mod=10**9+7):
    fact = [1,1]
    fact_inv = [1,1]
    inv = [0,1]
    for i in range(2, N+1):
        fact.append((fact[-1]*i) % mod)
        # モジュラ逆数の性質
        inv.append((-inv[mod%i] * (mod//i)) % mod)
        fact_inv.append((fact_inv[-1]*inv[i]) % mod)
    return fact, fact_inv

def comb(n, r, mod=10**9+7):
  if (r < 0) or (n < r):
      return 0
  r = min(r, n - r)
  return fact[n] * fact_inv[r] * fact_inv[n-r] % mod

n,k = [int(i) for i in input().split()]
mod = 10**9+7
fact, fact_inv = make_array_for_comb(n,mod)
ans = 0

for i in range(min(n,k+1)):
  ans += (comb(n,i,mod)*comb(n-1,i,mod)%mod)
  ans %= mod
  
print(ans)
### BUGGY CODE ###

n = int(input())
l = list(map(int, input().split()))
l = sorted(l)
ans = 0
 
for i in range(n-2):
  for j in range(i+1, n-1):
    k = 1
    while True:
      if k == n-j:
        break
      else: 
        if l[i] + l[j] > l[-k]:
          ans += n-k-j
          break
        k += 1
print(ans)

### FIXED CODE ###

import bisect
n = int(input())
l = list(map(int, input().split()))
count = 0
l = sorted(l)

for i in range(n-2):
  for j in range(i+1, n-1):
    k = bisect.bisect_left(l, l[i]+l[j])
    count += k -j - 1
print(count)
### BUGGY CODE ###

import math
a,b,n=map(int,input().split())
li=[]
for i in range(n+1):
    c=math.floor((a*i)/b)-(a*math.floor(i/b))
    li.append(c)
print(max(li))
  

### FIXED CODE ###

import math
a,b,n=map(int,input().split())
d=min(n,b-1)
c=math.floor((a*d)/b)-(a*math.floor(d/b))
print(c)
### BUGGY CODE ###

import bisect
N = int(input())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
C = list(map(int, input().split()))
#A.sort()
B.sort()
C.sort()
lenC = len(C)
anssum = 0
for i in A:
    for l in B[bisect.bisect_right(B,i):]:
        anssum += lenC - bisect.bisect_right(C,l)
print(anssum)

### FIXED CODE ###

import bisect
N = int(input())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
C = list(map(int, input().split()))
A.sort()
B.sort()
C.sort()
anssum = 0
for i in B:
    moreB = N-bisect.bisect_right(C,i)
    lessB = bisect.bisect_left(A,i)
    anssum += moreB*lessB
print(anssum)
### BUGGY CODE ###

n = int(input())
a = list(map(int, input().split()))
uniq_a = sorted(list(set(a)), reverse=True)
c = 0
ans = 1
for num in uniq_a:
    if c == 0 and a.count(num) >= 4:
        print(num**2)
        exit()
    if a.count(num) >= 2:
        c += 1
        ans *= num
        if c == 2:
            print(ans)
            exit()
print(0)


### FIXED CODE ###

n = int(input())
a = list(map(int, input().split()))
a = sorted(a, reverse=True)

flag = True
pairs = []
for i in range(1, len(a)):
    if flag:
        if a[i] == a[i-1]:
            pairs.append(a[i])
            if len(pairs) == 2:
                print(pairs[0]*pairs[1])
                exit()
            flag = False
    else:
        flag = True
print(0)
### BUGGY CODE ###

H,W = map(int,input().split())
Ch, Cw = map(int,input().split())
Dh, Dw = map(int,input().split())
S = [list(input()) for _ in range(H)]

INF = H * W

def steppable(h,w):
    if not (h in range(H)) or not (w in range(W)):
        return False
    if S[h][w] == '#':
        return False
    else:
        return True

num_step = [[INF for w in range(W)] for h in range(H)]
num_step[Ch - 1][Cw - 1] = 0

# スタート地点を定義
queue = [(Ch - 1, Cw - 1)]
num_warp = 0

# 幅優先探索
while not queue == []:
    magic_tiles = []
    while not queue == []:
        h = queue.pop(0) # here 
        if h[0] == Dh - 1 and h[1] == Dw - 1:
            print(num_warp)
            exit()
        next_  = [
            (h[0] + 1, h[1], 0),
            (h[0] - 1, h[1], 0),
            (h[0], h[1] + 1, 0),
            (h[0], h[1] - 1, 0),]

        for n in next_:
            if steppable(n[0], n[1]) and num_step[n[0]][n[1]] > num_warp:
                queue.append(n)
                num_step[n[0]][n[1]] = num_warp

        # 魔法を使っていける場所を検討
        dx = [-2, -1 , 0, 1, 2]
        dy = [-2, -1 , 0, 1, 2]

        for x in dx:
            for y in dy:
                if steppable(h[0] + y, h[1] + x) and num_step[h[0] + y][h[1] + x] > num_warp:
                    # print(S[h[0] + y][h[1] + x])
                    # print((h[0] + y, h[1] + x))
                    magic_tiles.append((h[0] + y, h[1] + x))

    num_warp += 1

    # キューの追加
    for magic in magic_tiles:
        if num_step[magic[0]][magic[1]] == INF:
            queue.append((magic[0],magic[1]))

print(-1)

### FIXED CODE ###

H,W = map(int,input().split())
Ch, Cw = map(int,input().split())
Dh, Dw = map(int,input().split())
S = [list(input()) for _ in range(H)]

INF = H * W

dx = [1, 0, -1, 0]
dy = [0, -1, 0, 1]

num_step = [[INF for w in range(W)] for h in range(H)]
num_step[Ch - 1][Cw - 1] = 0

# スタート地点を定義
queue = [(Ch - 1, Cw - 1)]
num_warp = 0

# 幅優先探索
while not queue == []:
    magic_tiles = []
    while not queue == []:
        h = queue.pop() # here 
        if h[0] == Dh - 1 and h[1] == Dw - 1:
            print(num_warp)
            exit()
        for i in range(4):
            if 0 <= h[0]+dy[i] < H and 0 <= h[1]+dx[i] < W and S[h[0]+dy[i]][h[1]+dx[i]] == '.' \
                 and num_step[h[0]+dy[i]][h[1]+dx[i]] > num_warp:
                queue.append((h[0]+dy[i], h[1]+dx[i]))
                num_step[h[0]+dy[i]][h[1]+dx[i]] = num_warp

        # 魔法を使っていける場所を検討
        mx = [-2, -1 , 0, 1, 2]
        my = [-2, -1 , 0, 1, 2]

        for x in mx:
            for y in my:
                 if 0 <= h[0] + y < H and 0 <= h[1] + x < W and S[h[0] + y][h[1] + x] == '.' \
                     and num_step[h[0] + y][h[1] + x] == INF:
                    magic_tiles.append((h[0] + y, h[1] + x))

    num_warp += 1

    # キューの追加
    for magic in magic_tiles:
        if num_step[magic[0]][magic[1]] == INF:
            num_step[magic[0]][magic[1]] = num_warp
            queue.append((magic[0], magic[1]))

print(-1)
### BUGGY CODE ###


import sys
input = sys.stdin.readline
N,K=map(int,input().rstrip().split())
h=list(map(int,input().rstrip().split()))

inf=10**9+7
dp=[inf]*N
dp[0]=0

for i in range(1,N,1):
    for k in range(1,K+1,1):
        if(i-k>=0):
            dp[i]=min(dp[i],dp[i-k]+abs(h[i]-h[i-k]))
        else:
            break
print(dp[N-1])


### FIXED CODE ###

import sys
input = sys.stdin.readline
N,K=map(int,input().rstrip().split())
h=list(map(int,input().rstrip().split()))

inf=10**9+7
dp=[inf]*N
dp[0]=0

for i in range(1,N,1):
    for k in range(1,K+1,1):
        if(i-k<0):
            continue
        dp[i]=min(dp[i],dp[i-k]+abs(h[i]-h[i-k]))
print(dp[N-1])
### BUGGY CODE ###

def cmb(n, r):
    if n - r < r: r = n - r
    if r == 0: return 1
    if r == 1: return n

    numerator = [n - r + k + 1 for k in range(r)]
    denominator = [k + 1 for k in range(r)]

    for p in range(2,r+1):
        pivot = denominator[p - 1]
        if pivot > 1:
            offset = (n - r) % p
            for k in range(p-1,r,p):
                numerator[k - offset] /= pivot
                denominator[k] /= pivot

    result = 1
    for k in range(r):
        if numerator[k] > 1:
            result *= int(numerator[k])

    return result
n,k = map(int,input().split())
lis = list(map(int,input().split()))
lis.sort()
ans = 0
for i in range(n):
    if i >= k-1:
        ans += lis[i] * cmb(i,k-1)
    if n-i-1 >= k-1:
        ans -= lis[i] * cmb(n-i-1,k-1)
    ans %= 10 ** 9+7
print(ans)

### FIXED CODE ###

import sys
sys.setrecursionlimit(1000000)
def cmb(n, r, mod):
    if ( r<0 or r>n ):
        return 0
    r = min(r, n-r)
    return g1[n] * g2[r] * g2[n-r] % mod

mod = 10**9+7 #出力の制限
g1 = [1, 1] # 元テーブル
g2 = [1, 1] #逆元テーブル
inverse = [0, 1] #逆元テーブル計算用テーブル


n,k = map(int,input().split())
lis = list(map(int,input().split()))
lis.sort()
ans = 0
for i in range( 2, n + 1 ):
    g1.append( ( g1[-1] * i ) % mod )
    inverse.append( ( -inverse[mod % i] * (mod//i) ) % mod )
    g2.append( (g2[-1] * inverse[-1]) % mod )
for i in range(n):
    if i >= k-1:
        ans += lis[i] * cmb(i,k-1,mod)
    if n-i-1 >= k-1:
        ans -= lis[i] * cmb(n-i-1,k-1,mod)
    ans %= 10 ** 9+7
print(ans)
### BUGGY CODE ###

import sys
input = sys.stdin.readline

n,k = map(int,input().split())
h = tuple(map(int,input().split()))

def frog_2(N, H, K):
    
    dp = [0] + [float("inf")]*(n-1)
    #print(dp)
    
    for i in range(1,n):
        for j in range(max(0,i-k),i):
            dp[i] = min(dp[i],dp[j]+abs(h[i]-h[j]))
    #print(dp)
    return print(dp[-1])

frog_2(n,h,k)

### FIXED CODE ###

n, k = map(int, input().split())
l = list(map(int, input().split()))

dp = [float('inf') for _ in range(n)]
dp[0] = 0

for i in range(n-1):
    for j in range(1, k+1):
        if i+j <= n-1:
            temp = dp[i] + abs(l[i+j] - l[i])
            if temp < dp[i+j]:
                dp[i+j] = temp

print(dp[-1])
### BUGGY CODE ###

#入力
N = int(input())
li = list(map(int,input().split()))

S = 0
for i in range(N):
    for j in range(N):
        if li[i] == li[j]:
            S = S + 1
        else:
            S = S

if S == N:
    print('YES')
else:
    print('NO')

### FIXED CODE ###

N = int(input())
li = list(map(int, input().split()))
li.sort()


S = 1
for i in range(N-1):
    if  li[i+1] == li[i]:
        S = S*0
    else:
        S = S
if S == 0:
    print('NO')
else:
    print('YES')
### BUGGY CODE ###

def dictstr(s):
    d = {}
    for i in range(10):
        if s[i] in d:
            d[s[i]] += 1
        else:
            d[s[i]] = 1
    return d

stdin = open(0).read().rstrip().split('\n')
N = int(stdin[0])
s = stdin[1:]
ans = 0
for i in range(N):
    for j in range(i+1,N):
        d = dictstr(s[i])
        flag = True
        for k in range(10):
            if s[j][k] in d:
                d[s[j][k]] -= 1
                if d[s[j][k]]<0:
                    flag = False
                    break
            else:
                flag = False
                break
        if flag:ans+=1
print(ans)

### FIXED CODE ###

stdin = open(0).read().rstrip().split('\n')
N = int(stdin[0])
s = stdin[1:]
d = {}
for i in range(N):
    a = list(s[i][:])
    b = ''.join(sorted(a))
    if b in d:
        d[b]+=1
    else:
        d[b]=1
ans = 0
for j in d.values():
    ans+=j*(j-1)//2
print(ans)
### BUGGY CODE ###

n=int(input())
s=[int(input()) for i in range(n)]
#print(n,s)

t=[0]
for j in range(n):
    for i in range(len(t)):
        t.append(t[i]+s[j])
        
for i in range(len(t)):
    if t[i]%10==0:
        t[i]=0
        
print(max(t))

### FIXED CODE ###

n=int(input())
s=[int(input()) for i in range(n)]
#print(n,s)
t=[[float('-inf') for i in range(10000+1)] for i in range(n+1)]

t[0][0]=0
for j in range(1,n+1):
    t[j]=t[j-1]
    tmp=[]
    for i in range(10000+1):
        if t[j-1][i]>=0:
            tmp.append(t[j-1][i])
    for i in tmp:
        t[j][i+s[j-1]]=i+s[j-1]

for i in range(len(t[n])):
    if t[n][i]%10==0:
        t[n][i]=0

print(max(t[n]))
### BUGGY CODE ###

n, m = map(int, input().split())
a = list(map(int, input().split()))
a.sort(reverse=True)
cost = [0, 2, 5, 5, 4, 5, 6, 3, 7, 6]
dp = [-1] * (n + 10)
dp[0] = 0

for i in range(n):
    for ai in a:
        dp[i + cost[ai]] = dp[i] + 1 if dp[i] > 0 else 1

ans = []
i = n
while dp[i] > 0:
    for ai in a:
        if dp[i - cost[ai]] == dp[i] - 1:
            ans.append(str(ai))
            i -= cost[ai]
            break

print(''.join(ans))

### FIXED CODE ###

n, m = map(int, input().split())
a = list(map(int, input().split()))
a.sort(reverse=True)
cost = [0, 2, 5, 5, 4, 5, 6, 3, 7, 6]
dp = [-1] * (n + 10)
dp[0] = 0

for i in range(n):
    for ai in a:
        if dp[i] >= 0:
            dp[i + cost[ai]] = dp[i] + 1

ans = []
i = n
while dp[i] > 0:
    for ai in a:
        if dp[i - cost[ai]] == dp[i] - 1:
            ans.append(str(ai))
            i -= cost[ai]
            break

print(''.join(ans))
### BUGGY CODE ###

# 79
# ABC106 D

N, M, Q = map(int, input().split())
LR_L = tuple([int(x) for x in input().split()] for y in range(M))
Q_L = tuple([int(x) for x in input().split()] for y in range(Q))

imos_l = [[0] * (N+2) for _ in range(N+1)]

for l, r in LR_L:
    imos_l[l][l] += 1
    imos_l[l][r+1] -= 1
for i in range(1, N+1):
    for j in range(1, N+2):
        imos_l[i][j] += imos_l[i][j-1]

for p, q in Q_L:
    ans = 0
    for i in range(p, q+1):
        ans += imos_l[i][i] - imos_l[i][q+1]
    print(ans)


### FIXED CODE ###

# 79
# ABC106 D


def solve():
    N, M, Q = map(int, input().split())
    LR_L = tuple([int(x) for x in input().split()] for y in range(M))
    Q_L = tuple([int(x) for x in input().split()] for y in range(Q))

    imos_l = [[0] * (N+2) for _ in range(N+1)]

    for l, r in LR_L:
        imos_l[l][l] += 1
        imos_l[l][r+1] -= 1
    for i in range(1, N+1):
        for j in range(1, N+2):
            imos_l[i][j] += imos_l[i][j-1]

    for p, q in Q_L:
        ans = 0
        for i in range(p, q+1):
            ans += imos_l[i][i] - imos_l[i][q+1]
        print(ans)


solve()