Harryxun/stf_run huggingface dataset:
s=input()
n=len(s)
p=n//2
t=1

for i in range(p):
    if s[i]==s[p-1-i]:
        t=1
    else:
        t=0
        break;

x=1

for i in range(p):
    if s[p+1+i]==s[n-1-i]:
        x=1
   else:
       x=0
       break

y=1

for i in range(n):
    if s[i]==s[n-1-i]:
        y=1
   else:
       y=0
       break

if (t==1 and x==1 and y==1):
    print('Yes')
else:
    print('No')

### FIXED CODE ###

s=input()
n=len(s)
p=n//2
t=1

for i in range(p):
    if s[i]==s[p-1-i]:
        t=1
    else:
        t=0
        break;

x=1

for i in range(p):
    if s[p+1+i]==s[n-1-i]:
        x=1
    else:
       x=0
       break

y=1

for i in range(n):
    if s[i]==s[n-1-i]:
        y=1
    else:
       y=0
       break

if (t==1 and x==1 and y==1):
    print('Yes')
else:
    print('No')
N, M  = map(int, input().split())
AB = [None] * N
for i in range(N):
    a, b = map(int, input().split())
    AB[i] = (a, b)
days_limit = M

jobs = AB[:]
jobs_dict = {i: [] for i in range(M+1)}
for d, r in jobs:
    jobs_dict[d].append(r)
#print(jobs_dict)

import heapq
hq = []

ans = 0
for d in range(1, M+1):
    for r in jobs_dict[d]:
        heapq.heappush(hq,-r)
    ans += -1 * heapq.heappop(hq)
print(ans)

    

### FIXED CODE ###

N, M  = map(int, input().split())
AB = [None] * N
for i in range(N):
    a, b = map(int, input().split())
    AB[i] = (a, b)
    
days_limit = M

jobs = AB[:]
from collections import defaultdict
jobs_dict = defaultdict(lambda: [])
for d, r in jobs:
    jobs_dict[d].append(r)
#print(jobs_dict)

import heapq
hq = []

ans = 0
for d in range(1, M+1):
    for r in jobs_dict[d]:
        heapq.heappush(hq,-r)
    if hq:
        ans += -1 * heapq.heappop(hq)
print(ans)
def solve():
  ans = 0
  N, A = map(int, input().split())
  X = list(map(int, input().split()))
  x = sum(X)
  dp = [[[0]*(sum(X)+50) for _ in range(N+1)] for _ in range(N+1)]
  dp[0][0][0] = 1
  for i in range(N):
    for j in range(i+1):
      for k in range(x):
        dp[i+1][j][k] += dp[i][j][k]
        dp[i+1][j+1][k+X[i]] += dp[i][j][k]
  for j in range(1,N+1):
    ans += dp[-1][j][j*A]
  return ans
print(solve())

### FIXED CODE ###

def solve():
  ans = 0
  N, A = map(int, input().split())
  X = list(map(int, input().split()))
  x = sum(X)
  dp = [[[0]*2550 for _ in range(N+1)] for _ in range(N+1)]
  dp[0][0][0] = 1
  for i in range(N):
    for j in range(i+1):
      for k in range(x):
        dp[i+1][j][k] += dp[i][j][k]
        dp[i+1][j+1][k+X[i]] += dp[i][j][k]
  for j in range(1,N+1):
    ans += dp[-1][j][j*A]
  return ans
print(solve())
tate =int(input());
yoko=int(input());
arr = [i+1 for i in range(tate)]
for j in range(yoko):
    rep1,rep2=input().split()
    rep1=int(rep1)-1
    rep2=int(rep2)-1
    arr[rep1],arr[rep2] = arr[rep2],arr[rep1]

for k in range(tate):
    print(arr[k])


### FIXED CODE ###

tate =int(input())
yoko=int(input())
arr = [i+1 for i in range(tate)]
for j in range(yoko):
    rep1,rep2=input().split(",")
    rep1=int(rep1)-1
    rep2=int(rep2)-1
    arr[rep1],arr[rep2] = arr[rep2],arr[rep1]

for k in range(tate):
    print(arr[k])
### INPUT
N = int(input())
A = list(map(int,input().split()))
A.extend([1000])
cont = 0
CN = [0]
b = N-1
### MAIN
for i in range(b):
    s = i
    while (A[s]>A[s+1]) and ((s+1)!=(b+1)):
        cont = cont + 1
        s = 1 + s
    if  cont != 0:
        CN.extend([cont])
        cont = 0
### MAX
print(max(CN))


### FIXED CODE ###

t = list(input())
s = list(input())
cnt = 0
for a in range(3):
    if s[a] == t[a]:
        cnt = cnt + 1

print(cnt)
s = input()
t = input()
w = []
for i in range(len(s) - len(t) + 1):
    f = True
    sx = s[i:i + len(t)]
    for si, ti in zip(sx, t):
        if si != ti and si != "?":
            f = False
        else:
            pass
    if f:
        w.append((s[:i] + t).replace("?", "a"))
if w == []:
    print("UNRESTORABLE")
else
w.sort()
print(w[0])


### FIXED CODE ###

sd = input()
t = input()
oks = []
if len(sd) < len(t):
    print("UNRESTORABLE")
else:
    for i in range(len(sd)-len(t)+1):
        sdd = sd[i:i+len(t)]
        f = True
        for j,sddj in enumerate(sdd):
            if sddj == "?":
                continue
            elif sddj != t[j]:
                f = False
                break
        if f:
            oks.append(i)
    if oks:
        k = oks[-1]
        print((sd[:k]+t+sd[k+len(t):]).replace("?","a"))
    else:
        print("UNRESTORABLE")
from collections import deque
from math import prod

N,K=map(int,input().split())
if N==1:print(K)
else:
  G=[[] for i in range(N+1)]
  #deg=[0]*(N+1)
  mod=10**9+7

  for i in range(N-1):
    a,b=map(int,input().split())
    G[a].append(b)
    G[b].append(a)
    #deg[a]+=1
    #deg[b]+=1

  #deg2 = sorted(enumerate(deg),key=lambda x:x[1])
  for i in range(1,N+1):
    if len(G[i])==1:break
  first = i
  #first = deg2[1][0]
  second = G[first][0]
  color = [1]*(N+1)
  color[first],color[second]=K,K-1

  def bfs(s):
      seen = [0]*(N+1)
      todo = deque([])
      seen[s]=1
      todo.append(s)
      while 1:
        if len(todo)==0:break
        a = todo.popleft()
        if a != first: 
          acolor=K-1
        for b in G[a]:
          if seen[b] == 0:
            seen[b] = 1
            todo.append(b)
            if b != second:
              acolor -= 1
              color[b] = acolor

  bfs(first)
  total = prod(color)%mod
  print(total)

### FIXED CODE ###

from collections import deque

N,K=map(int,input().split())
mod = 10**9+7
G=[[] for _ in range(N)]
for i in range(N-1):
  a,b=map(int,input().split())
  G[a-1].append(b-1)
  G[b-1].append(a-1)

def bfs(s):
    seen = [0]*N
    prev = [0]*N
    color = [0]*N
    todo = deque()
    seen[s]=1
    todo.append(s)
    color[s]=K
    while todo:
      a = todo.popleft()
      if a == start: count = K-1
      else: count = K-2
      for b in G[a]:
        if seen[b] == 0:
          seen[b] = 1
          todo.append(b)
          prev[b] = a
          color[b] = count %mod
          count -= 1
    return color
  
MAX,start = 0,-1
for i in range(N):
  if len(G[i])>MAX:
    MAX=len(G[i])
    start = i
    
color = bfs(start)
ans = 1
for i in range(N):
  ans *= color[i]
  ans %= mod
  
print(ans)
n = int(input())
alst = list(map(int, input().split()))
if n == 2:
    if sum(alst) % 2 != 0:
        print(-1)
    elif alst[0] < alst[1]:
        print(-1)
    else:
        print((alst[0] - alst[1]) // 2)
    exit()

if alst.count(1) == n:
    if n % 2 == 0:
        print(0)
    else:
        print(-1)
    exit()
    
if alst.count(1) == n - 1:
    if n % 2 == 1:
        print(0)
    else:
        print(-1)
    exit()

xor = 0
for num in alst[2:]:
    xor ^= num
total = alst[0] + alst[1]
if xor > total:
    print(-1)
    exit()

diff = total - xor
if diff % 2 == 1:
    print(-1)
    exit()

if alst[0] == 1:
    if xor == alst[0] ^ alst[1]:
        print(0)
    else:
        print(-1)
    exit()
    
diff //= 2
total_bin = format(total, "b")
diff_bin = format(diff,"b")
xor_bin = format(xor,"b")
i = len(total_bin)
ans = 0
for j in range(i, 0, -1):
    if j <= len(diff_bin):
        if diff_bin[-j] == "1":
            ans += 2 ** (j - 1)
            continue
for j in range(i, 0, -1):
    if j <= len(diff_bin):
        if diff_bin[-j] == "1":
            continue
    if j <= len(xor_bin):
        if xor_bin[-j] == "0":
            continue    
    if ans + 2 ** (j - 1) < alst[0]:
        ans += 2 ** (j - 1)
if ans == 0 or ans >= alst[0]:
    print(-1)
else:
    print(alst[0] - ans)

### FIXED CODE ###

n, m = map(int, input().split())

N = m + 100
MOD = 10 ** 9 + 7
fact = [0 for _ in range(N)]
invfact = [0 for _ in range(N)]
fact[0] = 1
for i in range(1, N):
    fact[i] = i * fact[i - 1] % MOD

invfact[N - 1] = pow(fact[N - 1], MOD - 2, MOD)

for i in range(N - 2, -1, -1):
    invfact[i] = invfact[i + 1] * (i + 1) % MOD
    
def nCk(n, k):
    if k < 0 or n < k:
        return 0
    else:
        return fact[n] * invfact[k] * invfact[n - k] % MOD
        
def nPk(n, k):
    return fact[n] * invfact[n - k] % MOD
    
ans = 0
sign = 1

for i in range(n + 1):
    ans = (ans + nPk(m, i) * nCk(n, i) * nPk(m - i, n - i) ** 2 * sign) % MOD
    sign *= -1
    
print(ans)
n=int(input())
ds=[int(i) for i in input().split()]
ans=0
counts={}
if ds[0]!=0:
  ans=0
  
else:  
    for i in range(1,n):
      if ds[i] not in counts:
        counts[ds[i]]=1
      else:
        counts[ds[i]]+=1
    ans=1
    for i in range(1,len(counts)):
      ans*=counts[i]**counts[i+1]

print(ans)
  

### FIXED CODE ###

n=int(input())
ds=[int(i) for i in input().split()]
counts={}

if ds[0]!=0:
  ans=0

else:  
    for i in range(1,n):
      if ds[i] not in counts:
        counts[ds[i]]=1
      else:
        counts[ds[i]]+=1
    c=0
    for i in range(1,len(counts)+1):
      if i in counts:
        c+=1
    if c==len(counts):
      ans=1
      for i in range(1,len(counts)):
          x=(counts[i]**counts[i+1])%998244353
          ans*=x
          ans%998244353
    else:
      ans=0

print(ans%998244353)
N=int(input())
S=input()
number=[]
for i in S:
    number.append(i)

numberlist=[]
for i in range(N):
    for j in range(i+1,N):
        for k in range(j+1,N):
            candidate=number[i]+number[j]+number[k]
            if candidate not in numberlist:
                numberlist.append(candidate)

print(len(numberlist))

### FIXED CODE ###

a,b=(int(x) for x in input().split())
c,d=(int(x) for x in input().split())

if(a!=c):
    print(1)
else:
    print(0)
src/volume_0/0000_QQ.py

### FIXED CODE ###

# -*- coding: utf-8 -*-

def qq(limit=9):
    qq_str = ''
    for i in range(1, limit+1):
        for j in range(1, limit+1):
            qq_str += str(i) + 'x' + str(j) + '=' + str(i*j)
            if i != limit or j != limit:
                qq_str += '\n'
    return qq_str

def main():
    print(qq())

if __name__ == '__main__':
    main()
N, M = (int(i) for i in input().split())
  
dict_rel = dict()
for i in range(M):
  dict_rel[i+1] = [int(j) for j in input().split()][1:]
list_cond = [int(i) for i in input().split()]

#print(dict_rel)
#print(list_cond)

list_pattern = list()

for i in range(N):
  for j in [0,1]:
    list_pattern.append([i, j])

#print(list_pattern)
#print(list_pattern)

num_full = 0
for pattern in list_pattern:
  flg = True
  for light in dict_rel.keys():
    num_on = 0
    for i in range(len(dict_rel[light])):
      if pattern[i] == 1:
        num_on += 1
    if list_cond[light-1] != num_on%2:
      flg = False
      break
  if flg == True:
    num_full += 1

print(num_full)


### FIXED CODE ###

N, M = (int(i) for i in input().split())
  
dict_rel = dict()
for i in range(M):
  dict_rel[i+1] = [int(j) for j in input().split()][1:]
list_cond = [int(i) for i in input().split()]

#print(dict_rel)
#print(list_cond)

list_pattern = [[] for j in range(2**N)]

for i in range(len(list_pattern)):
  b = bin(i)[2:].zfill(N)
  list_pattern[i] = [int(k) for k in b]

#print(list_pattern)

num_full = 0
for pattern in list_pattern:
  flg = True
  for light in dict_rel.keys():
    num_on = 0
    for i in dict_rel[light]:
      if pattern[i-1] == 1:
        num_on += 1
    if list_cond[light-1] != num_on%2:
      flg = False
      #break
  if flg == True:
    num_full += 1

print(num_full)
import math
import sys

sys.setrecursionlimit(10 ** 7)


x, y = map(int, input().split())
mod = 10 ** 9 + 7

fac = [1]
caf = [1]


def pow(n, p):
    res = 1
    while p > 0:
        if p % 2 == 0:
            n = n ** 2 % mod
            p //= 2
        else:
            res = res * n % mod
            p -= 1
    return res % mod


n = (x + y) // 3 + 10

for i in range(1, n):
    fac.append((fac[i - 1] * i) % mod)
    caf.append(pow(fac[i], mod - 2))


def ncr(n, r):
    if n < r:
        return 0
    return (fac[n] * caf[r] * caf[n - r]) % mod


if (x + y) % 3 != 0:
    print(0)
else:
    n = (x + y) // 3
    r = (2 * x - y) // 3
    print(ncr(n, r))



### FIXED CODE ###

import math
import sys

sys.setrecursionlimit(10 ** 7)


x, y = map(int, input().split())
mod = 10 ** 9 + 7

fac = [1]
caf = [1]


def pow(n, p):
    res = 1
    while p > 0:
        if p % 2 == 0:
            n = n ** 2 % mod
            p //= 2
        else:
            res = res * n % mod
            p -= 1
    return res % mod


n = (x + y) // 3 + 10

for i in range(1, n):
    fac.append((fac[i - 1] * i) % mod)
    caf.append(pow(fac[i], mod - 2))


def ncr(n, r):
    if n < r or r < 0:
        return 0
    return (fac[n] * caf[r] * caf[n - r]) % mod


if (x + y) % 3 != 0:
    print(0)
else:
    n = (x + y) // 3
    r = (2 * x - y) // 3
    print(ncr(n, r))
#import math
N=int(input())
def yakusuu(n):
  num=_0
  for i in range(1,n):
    if n%i==0:
      num=num+1
  return num==8
ans=0
for i in range(n):
  if def(i):
    ans=ans+1
print(ans)
  
      

### FIXED CODE ###

n=int(input())
def yakusuu(n):
  num=0
  if n%2==1:
    for i in range(1,n+1):
      if n%i==0:
        num=num+1
  return num 

ans=0
for i in range(n+1):
  if yakusuu(i)==8:
    ans=ans+1
print(ans)
x = str(input())

while True:
  if x[0] == x[1] == x[2]:
    print(x)
    break
  
  x += 1

### FIXED CODE ###

x = str(input())

while True:
    if x[0] == x[1] == x[2]:
        print(x)
        break

    x = str(int(x) + 1)
nd=list(map(int,input().split()))
ans=nd[0]//(2*nd[1]+1)
if nd%(2*nd[1]+1)!=0:
  ans+=1
print(ans)

### FIXED CODE ###

nd=list(map(int,input().split()))
ans=nd[0]//(2*nd[1]+1)
if nd[0]%(2*nd[1]+1)!=0:
  ans+=1
print(ans)
def putmx(lis):
  ret=[]
  mx=max(lis)
  for i in range(len(lis)):
    if mx==lis[i]:
      ret.append(i)
  return ret

h,w,m=map(int,input().split())

hb=[0]*h
wb=[0]*w
mp=[]
for i in range(h):
  mp.append([0]*w)
for i in range(m):
  hh,ww=map(int,input().split())
  hh-=1
  ww-=1
  hb[hh]+=1
  wb[ww]+=1
  mp[hh][ww]=1

hmx=putmx(hb)
wmx=putmx(wb)
mhb=max(hb)
mwb=max(wb)

fl=False
for i in hmx:
  for j in wmx:
    if mp[i][j]!=1:
      print(mhb+mwb)
      fl=True
      break
  if fl:
    break
else:
  print(mhb+mwb-1)



### FIXED CODE ###

#import random

def putmx(lis,mx):
  ret=[]
  for (i,j) in zip(range(len(lis)),lis):
    if j==mx:
      ret.append(i)
  return ret
  

h,w,m=map(int,input().split())
hb=[0]*h
wb=[0]*w
bmb=[]
for i in range(h):
  bmb.append({-1})
for i in range(m):
  hh,ww=map(int,input().split())
  hh-=1
  ww-=1
  bmb[hh].add(ww)
  hb[hh]+=1
  wb[ww]+=1
mhb=max(hb)
mwb=max(wb)
hmx=putmx(hb,mhb)
wmx=set(putmx(wb,mwb))

#print(hb,wb,hmx,wmx)
fl=False
for i in hmx:
  if wmx|bmb[i]!=bmb[i]:
    print(mhb+mwb)
    break
else:
  print(mhb+mwb-1)

#print(hmx,wmx,bmb)
N = int(input())
sum = 0
f = 0
for k in range(1,N):
  #define f
  #f = 0
  for j in range(1,k)
  	if k % j == 0：
    	f += k
  #sum = sum + k*f
print(f)

### FIXED CODE ###

n = int(input())
ans = 0
for i in range(1, n + 1):
    y = n // i
    ans += y * (y + 1) * i // 2
print(ans)
import math
A,B=map(int,input().split())
gcd=math.gcd(A,B)
print(A*B//gcd)


### FIXED CODE ###

import fractions
A,B=map(int,input().split())
gcd = fractions.gcd(A,B)
print(A*B//gcd)
A, B, C, D = map(int, input().split())

import math

def lcm(x, y):
	return (x * y) // math.gcd(x, y)

E = lcm(C, D)

n_a = (A - 1) // C + (A - 1) // D - (A - 1) // E
n_b = B // C + B // D - B // E

print((B - A + 1) - (n_b - n_a))

### FIXED CODE ###

A, B, C, D = map(int, input().split())

import fractions

def lcm(x, y):
	return (x * y) // fractions.gcd(x, y)

E = lcm(C, D)

n_a = (A - 1) // C + (A - 1) // D - (A - 1) // E
n_b = B // C + B // D - B // E

print((B - A + 1) - (n_b - n_a))
import numpy as np
N,M=map(int,input().split())
A=list(map(int,input().split()))
B=[0]*M
C=[0]*M
for i in range(M):
    B[i],C[i]=map(int,input().split())

for i in range(M):
    A = np.sort(A)
    for j in range(B[i]):
        if A[j] < C[i]:
            A[j]=C[i]
        else:
            break
        if j==N-1:
            break
print(sum(A))      




### FIXED CODE ###

#!/usr/bin/env python3
import bisect
import numpy as np

N, M = list(map(int, input().split()))
a_list = list(map(int, input().split()))
bc_list = []

for i in range(M):
    b, c = list(map(int, input().split()))
    bc_list.append((b, c))

bc_list = sorted(bc_list, key=lambda x: x[1], reverse=True)
a_list = sorted(a_list)

fix_list = []
s = 0
b, c = bc_list[0]
bc_index = 0
count_b = 0

for a in a_list:
    if count_b >= b:
        bc_index += 1
        if bc_index >= len(bc_list):
            s += a
            continue
        count_b = 0
        b, c = bc_list[bc_index]

    if a < c:
        s += c
    else:
        s += a
    count_b += 1

ans = s
print(ans)
s1 = input()
s2 = input()
s3 = input()
print(s1[0][0],s2[1][1],s3[2][2], sep="")

### FIXED CODE ###

s1 = input()
s2 = input()
s3 = input()
print(s1[0],s2[1],s3[2], sep="")
from collections import deque
import sys
sys.setrecursionlimit(100000000)
 
h,w=map(int, input().split())  
s=[list(input()) for i in range(h)]
v=[]
def bfs():
    d = [[float("inf")] * w for i in range(h)]
    que = deque([])
    #黒だったらスタートキューに入れる
    for i in range(h):
        for j in range(w):
            if s[i][j]=='#':
                que.append((i, j))
                d[i][j]=0
    dx = [1, 0, -1, 0]
    dy = [0, 1, 0, -1]
    
    
    while que:
        p = que.popleft()
         # 黒にする4方向をループ
        for i in range(4):
            ny = p[0] + dx[i]
            nx = p[1] + dy[i]
 
            if 0<=nx<w and 0<=ny<h and d[nx][ny] == float("inf"):
                que.append((ny, nx))
                d[nx][ny] = d[p[0]][p[1]] + 1
                
    for i in range(h):
        v.append(max(d[i]))
    return max(v)
res=bfs()
print(res)

### FIXED CODE ###

from collections import deque
 
h, w = map(int, input().split())
s = [input() for i in range(h)]
 
d = [[h+w for j in range(w)] for i in range(h)]
que = deque()
 
#黒だったらスタートキューに入れる
for i in range(h):
  for j in range(w):
    if s[i][j]=='#':
        que.append((i, j))
        d[i][j] = 0
 
dx = [1, 0, -1, 0]
dy = [0, 1, 0, -1]
 
 
while que:
    p = que.popleft()
    # 黒にする4方向をループ
    for i in range(4):
        nx = p[1] + dx[i]
        ny = p[0] + dy[i]
 
        if (0<=nx<w) and (0<=ny<h) and (d[ny][nx]==h+w):
            que.append((ny, nx))
            d[ny][nx] = d[p[0]][p[1]] + 1
 
res = max(map(max, d))
print(res)
n=int(input())
a=int(input())
b=int(input())
c=int(input())
d=int(input())
e=int(input())

print(ceil(n/min(a,b,c,d,e)+4))

### FIXED CODE ###

import math
n=int(input())
a=int(input())
b=int(input())
c=int(input())
d=int(input())
e=int(input())

print(math.ceil(n/min(a,b,c,d,e)+4))
2
1 2
3
1 100
2 100
100 1000

### FIXED CODE ###

n= int(input())
a = list(map(int, input().split()))
q = int(input())
b = [list(map(int,input().split())) for i in range(q)]
num = [0]*(10**5+1)
for i in a:
  num[i] += 1
sum_a = sum(a)

for i in range(q):
  dif = b[i][1]-b[i][0]
  #print(dif)
  sum_a += dif*num[b[i][0]]
  num[b[i][1]] += num[b[i][0]]
  num[b[i][0]] = 0
  print(sum_a)
N = int(input())
t, x, y = map(int, input().split())
if t < x+y :
  print("NO")
elif t%2 != p%2:
  print("NO")
else:
  print("YES")

### FIXED CODE ###

n = int(input())
 
s = 0
p = 0
for _ in range(n):
  t,x,y = map(int, input().split())
  s = t - s
  p = abs((x+y)-p)
  if s < p:
    print("No")
    exit()
  elif s%2 != p%2:
    print("No")
    exit()
print("Yes")
# -*- coding: utf-8 -*-
a, b = input().split()
x = int(a+b)
ok = [False]*(100100)

for i in range(1, 317):
    ok[i*i] = True

print("Yes" if ok[x] else "No")


### FIXED CODE ###

# -*- coding: utf-8 -*-
a, b = input().split()
x = int(a+b)
ok = [False]*(100101)
 
for i in range(1, 317):
    ok[i*i] = True
 
print("Yes" if ok[x] else "No")
n, q = map(int,input().split())
s = list(input())
x = []

ans = 0
for i in range(n):
	if s[i] == "A" and s[i+1] == "C":
		ans += 1
		x.append(ans)
	else:
		x.append(ans)
x.append(ans)

for j in range(q):
	l, r = map(int,input().split())
	print(x[r-1]-x[l-1])

### FIXED CODE ###

n,q=map(int,input().split())
s=input()
c=[0]
t=0

for i in range(0,n-1):
    if s[i]=="A" and s[i+1]=="C":
        t+=1
        c.append(t)
    else:
        c.append(t)

for i in range(q):
    l,r=map(int,input().split())
    print(c[r-1]-c[l-1])
n=int(input())
s=['M','A','R','C','H']
for i in range(n):
    i=input()
    s.append(i[0])

import collections
c = collections.Counter(s)
d=['M','A','R','C','H']
ans=0
for i in range(n-2):
    for j in range(i+1,n-1):
        for k in range(j+1,n):
            ans+=(c[d[i]]-1)*(c[d[j]]-1)*(c[d[k]]-1)
print(ans)

### FIXED CODE ###

n=int(input())
s=['M','A','R','C','H']
for i in range(n):
    i=input()
    s.append(i[0])

import collections
c = collections.Counter(s)
d=['M','A','R','C','H']
ans=0
for i in range(3):
    for j in range(i+1,4):
        for k in range(j+1,5):
            ans+=(c[d[i]]-1)*(c[d[j]]-1)*(c[d[k]]-1)
print(ans)
n = int(raw_input())
 
d = [0 for i in range(n)]
f = [0 for i in range(n)]
X = [0 for i in range(n)]
M = [[0 for i in range(n)] for j in range(n)]
color = [0 for i in range(n)]
t = 0
 
def DFS_v(u):
    color[u] = 1
    t += 1
    d[u] = t
    for v in range(n):
        if M[u][v] == 1 and color[v] == 0:
            DFS_visit(v)
    color[u] == 2
    t += 1
    f[u] = t
 
def DFS():
    for u in range(n):
        if color[u] == 0:
            DFS_v(u)
    for u in range(n):
        print u+1, d[u], f[u])
     
for i in range(n):
    X = map(int, raw_input().split())
    for j in range(X[1]):
        M[X[0]-1][X[2+j]-1] = 1
 
DFS()
    

### FIXED CODE ###

n = int(raw_input())
 
d = [0 for i in range(n)]
f = [0 for i in range(n)]
G = [0 for i in range(n)]
M = [[0 for i in range(n)] for j in range(n)]
col = [0 for i in range(n)]
t = [0]
 
def DFS_visit(u):
    col[u] = 1
    t[0] += 1
    d[u] = t[0]
    for v in range(n):
        if M[u][v] == 1 and col[v] == 0:
            DFS_visit(v)
    col[u] = 2
    t[0] += 1
    f[u] = t[0]
 
def DFS():
    for u in range(n):
        if col[u] == 0:
            DFS_visit(u)
    for u in range(n):
        print'{0} {1} {2}'.format(u+1, d[u], f[u])
     
for i in range(n):
    X = map(int, raw_input().split())
    for j in range(X[1]):
        M[X[0]-1][X[2+j]-1] = 1
 
DFS()
n, k = map(int, input().split())
a = list(map(int, input().split()))+[0]
s = [0 for _i in range(n+1)]
for i in range(n):
    s[max(0, i-a[i])] += 1
    s[min(n, i+a[i]+1)] -= 1   
a = s.copy()+[0]
for j in range(min(50, k-1)):
    t = [0 for _i in range(n+1)]
    for i in range(n):
        a[i] += a[i-1]
        t[max(0, i-a[i])] += 1
        t[min(n, i+a[i]+1)] -= 1
    a = t.copy()
for i in range(1, n):
    a[i] += a[i-1]
print(*a[:n])

### FIXED CODE ###

n, k = map(int, input().split())
a = list(map(int, input().split()))+[0]
s = [0 for _i in range(n+1)]
for i in range(n):
    s[max(0, i-a[i])] += 1
    s[min(n, i+a[i]+1)] -= 1   
a = s.copy()+[0]
for j in range(min(100, k-1)):
    t = [0 for _i in range(n+1)]
    for i in range(n):
        a[i] += a[i-1]
        t[max(0, i-a[i])] += 1
        t[min(n, i+a[i]+1)] -= 1
    a = t.copy()+[0]
for i in range(1, n):
    a[i] += a[i-1]
print(*a[:n])
# coding: utf-8

s = input()

a1 = ['A','T']
a2 = ['C','G']

print(s)
if s in a1:
    l = a1
else:
    l = a2

l.discard(s)

print(l[0])



### FIXED CODE ###

# coding: utf-8

s = input()

a1 = ['A','T']
a2 = ['C','G']

if s in a1:
    l = a1
else:
    l = a2

t = l.pop(l.index(s))
print(l[0])
(a, b, c) = input().rstrip.split(' ')
a = int(a)
b = int(b)
c = int(c)

if a < b < c:
    print(a, b, c)
elif a < c < b:
    print(a, c, b)
elif b <= a <= c:
    print(b, a, c)
elif b <= c <= a:
    print(b, c, a)
elif c <= a <= b:
    print(c, a, b)
else:
    print(c, b, a)

### FIXED CODE ###

(a, b, c) = input().rstrip().split(' ')
a = int(a)
b = int(b)
c = int(c)

if a < b < c:
    print(a, b, c)
elif a < c < b:
    print(a, c, b)
elif b <= a <= c:
    print(b, a, c)
elif b <= c <= a:
    print(b, c, a)
elif c <= a <= b:
    print(c, a, b)
else:
    print(c, b, a)