Harryxun/stf_run huggingface dataset:
n, m = map(int, input().split())
a = list(map(int, input().split()))
a.sort()
hand = []
for _ in range(m):
    b, c = map(int, input().split())
    hand.append((b, c))
hand.sort(key=lambda x: x[1], reverse=True)

i = 0
lena = len(a)
flag = False
for h in hand:
    for j in range(h[0]):
        if i < lena and a[i] >= h[1]:
            flag = True
            break
        else:
            a[i] = h[1]
            i += 1
    if flag:
        break

print(sum(a))


### FIXED CODE ###

n, m = map(int, input().split())
a = list(map(int, input().split()))
a.sort()
hand = []
for _ in range(m):
    b, c = map(int, input().split())
    hand.append((b, c))
hand.sort(key=lambda x: x[1], reverse=True)

i = 0
lena = len(a)
flag = False
for h in hand:
    for j in range(h[0]):
        if i >= lena:
            flag = True
            break
        if a[i] >= h[1]:
            flag = True
            break
        else:
            a[i] = h[1]
            i += 1
    if flag:
        break

print(sum(a))
n,m,x=map(int,input().split())
nedan=[]
grade=[]
inf=12*10**6
for i in range(n):
  s=list(map(int,input().split())) 
  nedan.append(s.pop(0))
  grade.append(s)
#print(nedan)
#print(grade)

for i in range(2**n):
  shopping=[]
  total_grade=[]
  for j in range(n):
    if (( i >> j ) & 1):
      shopping.append(nedan[j])
      total_grade.append(grade[j])

  t=sum(shopping)
  #print(t)
  #print(shopping)
  #print(total_grade)
  sum_grade=[]
  for j in range(m):
    s=0
    for k in range(len(total_grade)):
        s+=total_grade[k][j]
    sum_grade.append(s)
    print(sum_grade)

  ans_t=[]
  if all(j>=x for j in sum_grade):
    ans_t.append(t)

print(ans_t)   
ans=min(ans_t)

if min(ans,inf)==ans:
  print(ans)

else:
  print(-1)

### FIXED CODE ###

import sys
import numpy as np
sys.setrecursionlimit(10**8)

def dfs(i,a,value):
  global ans
  if i==n:
    if all(a[i]>=x for i in range(m)):
      ans=min(ans,value)


  else:
    dfs(i+1,a,value)
    dfs(i+1,a+np.array(pc[i][1:]),value+pc[i][0])


ans=float('inf')
n,m,x=map(int,input().split())
pc=[]
for i in range(n):
  s=list(map(int,input().split()))
  pc.append(s)

dfs(0,np.array([0]*(m)),0)
if ans==float('inf'):
  ans=-1
print(ans)
from collections import defaultdict

N = int(input())
_A = [*map(int, input().split())]
Q = int(input())
val = [[*map(int, line.split())] for line in open(0)]

A = defaultdict(int)
for _a in _A:
    A[_a] += 1

ans = sum(_A)
for v in val:
    if v[0] in A.keys():
        num = A[v[0]]
        A[v[0]] = 0
        A[v[1]] += num
        ans += (v[1] - v[0]) * num
    print(ans)


### FIXED CODE ###

from collections import defaultdict

N, _A, Q, *val = [[*map(int, line.split())] for line in open(0)]
N = N[0]
Q = Q[0]

A = defaultdict(int)
for _a in _A:
    A[_a] += 1

ans = sum(_A)
for v in val:
    if v[0] in A.keys():
        num = A[v[0]]
        A[v[0]] = 0
        A[v[1]] += num
        ans += (v[1] - v[0]) * num
    print(ans)
s,t=map(str,input().split())
count=0
for i in range(3):
    if s[i]==t[i]:
        count=count+1
print(count)

### FIXED CODE ###

s = input()
t = input()
count=0
for i in range(3):
    if s[i]==t[i]:
        count=count+1
print(count)
n, a, b = [int(x) for x in input().split()]
print(min(a * n,b) 

### FIXED CODE ###

n, a, b = [int(x) for x in input().split()]
print(min(a * n,b))
N = int(input())
H = list(map(int, input().split()))

a = 0
l = [0]*(N-1)
for i in range(N-1):
  if H[i] >= H[i+1]: a += 1
  else: a = 0
  l[i] = a

print(max(l))

### FIXED CODE ###

N = int(input())
H = list(map(int, input().split()))

a = 0
ans = 0
for i in range(N-1):
  if H[i] >= H[i+1]: a += 1
  else: 
    a = 0
  ans = max(ans, a)
print(ans)
#include <bits/stdc++.h>
// #include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <math.h>
using namespace std;
typedef long long ll;

#define rep(i,n) for(int i=0;i<n;i++)
#define rep2(i,a,b) for(int i=(a);i<(b);i++)

template<class T> inline void chmin(T& a, T b) {if (a > b) a = b;}
template<class T> inline void chmax(T& a, T b) {if (a < b) a = b;}


int main() {
  string s;cin >> s;
  int k;cin >> k;
  rep(i,k+3){
    if (s[i]!='1'){
      cout<<s[i]<<endl;
      return 0;
    }
  }
  cout<<1<<endl;  
}


### FIXED CODE ###

import sys
s=input()
k=int(input())
for i in range(k):
  if s[i]!="1":
    print(s[i])
    sys.exit()
print(1)
def main():
    N = int(input())
    P = list(map(int,input().split()))

    count = 1
    for i in range(1,N):
        for p in range(i):
            if P[p] < P[i]:
                break
        else:
            count += 1
    print(count)
if __name__ == '__main__':
    main()

### FIXED CODE ###

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

if n == m:
  print("Yes")
else:
  print("No")
n = int(input())
list = int(input().split())

list.sort(reverse=True)

result = 1

if(0 in list):
  print('0')
  return

for i in range(n):
  result = result * list[i]
  if(result >= 1000000000000000000):
    print('-1')
    return

print(result)
  


### FIXED CODE ###

n = int(input())
str_list = input().split()

list = [int(k) for k in str_list]

list.sort(reverse=True)

result = 1

if(0 in list):
  print('0')
  exit()

for i in range(n):
  result = result * list[i]
  if(result > 1000000000000000000):
    print('-1')
    exit()

print(result)
N=int(input())
A=[int(i) for i in input().split()]
G=[[] for i 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)
Visited=[False]*N
B=[0]*N
def B_map(x):
  res=-1
  Visited[x]=True
  for i in G[x]:
    if not Visited[i]:
      if res<0:
        res=B_map(i)
      else:
        res+=B_map(i)
  if res<0:
    B[x]=A[x]
  else:
    B[x]=2*A[x]-res
  return B[x]
B_map(0)
for i in range(N):
  if B[i]<0:
    print("NO")
    exit()
print("YES")

### FIXED CODE ###

import sys
sys.setrecursionlimit(10**6)
N=int(input())
A=[int(i) for i in input().split()]
G=[[] for i 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)
Visited=[False]*N
B=[0]*N
def B_map(x):
  C=[]
  S=0
  Visited[x]=True
  for i in G[x]:
    if not Visited[i]:
      res=B_map(i)
      S+=res
      C.append(res)
  if len(C)==0:
    B[x]=A[x]
  elif len(C)==1:
    if A[x]==S:
      B[x]=S
    else:
      print("NO")
      exit()
  else:
    if 0<=S-A[x]<=min(S-max(C),S//2) and 2*A[x]-S>=0:
      B[x]=2*A[x]-S
    else:
      print("NO")
      exit()
  return B[x]
B_map(0)
if len(G[0])==1:
  if B[0]!=A[0]:
    print("NO")
    exit()
else:
  if B[0]!=0:
    print("NO")
    exit()
    
print("YES")
n,k,c=[int(x) for x in input().split()]
s=list(input())

L=[]
R=[]

i=0
while i < n:  
    if s[i]=="o":
        L.append(i)
        i+=2
    i+=1

i=0
while i < n:
    if s[n-i-1]=="o":
        R.append(n-i-1)
        i+=2
    i+=1

days=[]
for i in range(k):
    if L[i]==R[i]:
        days.append(L[i])


for i in range(len(days)):
    print(days[i]+1)

### FIXED CODE ###

X,Y,Z=[int(x) for x in input().split()]
(X,Y)=(Y,X)
(X,Z)=(Z,X)
print(X,Y,Z)
# encoding:utf-8
import copy
import numpy as np
import random
import pandas as pd
import torch


s = list(str(input()))

escape = False
begin = len(s)

def rem(s):
    for i in range(1,len(s)):
        # print(s)
        if s[i-1] != s[i]:
            s.pop(i)
            s.pop(i-1)
            break
    return s


for i in range(10**4):
    s = rem(s)

end = len(s)
print(begin-end)


### FIXED CODE ###

# encoding:utf-8
import copy
import numpy as np
import random
# import pandas as pd
# import torch


s = list(str(input()))


count = [0,0]
for i in range(len(s)):
    count[int(s[i])] += 1

ans = 2*min(count[0],count[1])
#
print(ans)
# escape = False
# begin = len(s)
#
# def rem(s):
#     for i in range(1,len(s)):
#         # print(s)
#         if s[i-1] != s[i]:
#             s.pop(i)
#             s.pop(i-1)
#             break
#     return s
#
#
# pre = len(s)
# proceed = 0
# while proceed != pre:
#     pre = len(s)
#     s = rem(s)
#     after = len(s)
#
# end = len(s)
# print(begin-end)
a,b = map(int, input().split())

c = a * b
d = (a + b) *2

print(str(c,d))

### FIXED CODE ###

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

c,d = a * b,(a + b) *2

print(str(c) + " " + str(d))
S = list(map(int,input().split()))
N=S[0]
M=S[1]
N1=0
M1=0
count = 0

if 2*N<=M:
    count = N
    N1=0
    M1=M-2*N
    count+=M1//4
elif M<2*N:
    count += M//2
print(count)

### FIXED CODE ###

N=int(input())

x=N*800
y=200*(N//15)
print(x-y)
# input
N = int(input())
A = list(map(int, input().split()))

count = [0, 0, 0, 0, 0, 0, 0, 0, 0]

for i in range(N):
    if A[i] < 400:
        count[0] = 1
    elif A[i] < 800:
        count[1] = 1
    elif A[i] < 1200:
        count[2] = 1
    elif A[i] < 1600:
        count[3] = 1
    elif A[i] < 2000:
        count[4] = 1
    elif A[i] < 2400:
        count[5] = 1
    elif A[i] < 2800:
        count[6] = 1
    elif A[i] < 3200:
        count[7] = 1
    else:
        count[8] += 1

color_max = sum(count)
if count[8] == 0:
    count_min = sum(count)
else:
    count_min = sum(count[:7]) + 1

print(count_min, count_max)

### FIXED CODE ###

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

count = [0, 0, 0, 0, 0, 0, 0, 0, 0]

for i in range(N):
    if A[i] < 400:
        count[0] = 1
    elif A[i] < 800:
        count[1] = 1
    elif A[i] < 1200:
        count[2] = 1
    elif A[i] < 1600:
        count[3] = 1
    elif A[i] < 2000:
        count[4] = 1
    elif A[i] < 2400:
        count[5] = 1
    elif A[i] < 2800:
        count[6] = 1
    elif A[i] < 3200:
        count[7] = 1
    else:
        count[8] += 1

color_max = sum(count)
if count[8] == 0:
    color_min = sum(count)
else:
    color_min = sum(count[:7]) + 1

print(color_min, color_max)
a,b=map(int.input().split())
print(b**a if b>=a else a**b)

### FIXED CODE ###

a, b = input().split()
 
print(min(a*int(b), b*int(a) ) )
a, b = map(input().split())
print((a+b)%24)

### FIXED CODE ###

a, b = map(int, input().split())
print((a+b)%24)
n, k = map(int, input().split())
 
h = list(map(int, inoput().split))
sum = 0
h.sort()

if n < k:
  print(0)
else:
   for i in range(0, k):
    h[n-i-1] = 0
  
   for i in range(0, n):
    sum += h[i]
  print(sum)

### FIXED CODE ###

n, k = map(int, input().split())
 
h = list(map(int, input().split()))
sum = 0
h.sort()

if n <= k:
  print(0)
else:
   for i in range(0, k):
    h[n-i-1] = 0
  
   for i in range(0, n):
    sum += h[i]
   
   print(sum)
n = int(input())
UVW = []
UF = [[0,0] for _ in range(n+1)]
for i in range(n-1):
    u,v,w = map(int,input().split())
    UF[v][0] = u
    UF[v][1] = w

def search(UF,loc):
    if UF[loc][0] == loc:
        return UF[loc]
    else:
        UF[loc] = search(UF,UF[loc])
        return UF[loc]
print(0)
for i in range(2,n+1):
    if search(UF,2)[1]%2 == 1:
        print(1)
    else:
        print(0)

### FIXED CODE ###

from math import ceil,log2

def main():
    N = int(input())
    UVW = [list(map(int,input().split())) for _ in range(N - 1)]
    edge = [[] for _ in range(N + 1)]
    dis = {}
    for u,v,w in UVW:
        edge[u].append(v)
        edge[v].append(u)
        dis[(u,v)] = w
        dis[(v,u)] = w
    cnt = 0
    queue = [1]
    gone = {1:0}
    while cnt < N:
        node = queue[cnt]
        for e in edge[node]:
            if e not in gone:
                if dis[(node,e)]%2 == 1:
                    gone[e] = (gone[node] + 1)%2
                else:
                    gone[e] = gone[node]
                queue.append(e)
        cnt += 1
    for i in range(1,N + 1):
        print(gone[i])
    return
if __name__ == "__main__":
    main()
a = list(map(int, input().split()))
2
if a[0]<=100 and a[1]<=100 and a[2]<=100 and a[0]<=a[1]:
3
  b = a[1]-a[0]
4
  if b%a[2] > 0:
5
    print(int(b/a[2]))
6
    
7
  else:
8
    print(int(b/a[2])+1)

### FIXED CODE ###

a = a, b, c, = map(int, input().split())
bc = int(b/c)
ac = int((a-1)/c)
ans = bc-ac
print(ans)
import numpy as np


a,b,c = list(map(float,input().split()))
if (np.sqrt((a)) + np.sqrt(b)) < np.sqrt(c):
    print('Yes')
else:
    print('No')




### FIXED CODE ###

nums = [1, 1, 1, 2, 1, 2, 1, 5, 2, 2, 1, 5, 1, 2, 1, 14, 1, 5, 1, 5, 2, 2, 1, 15, 2, 2, 5, 4, 1, 4, 1, 51
]
K = int(input())
print(nums[K-1])
N, X = map(int,input().split())
Ln = map(int,input().split())
cnt = 1
sum = 0
 for i in range(1, N):
    sum += Ln[i]
    if sum > X:
        break
    cnt += 1
print(cnt)

### FIXED CODE ###

N, X = map(int,input().split())
Ln = list(map(int,input().split()))
 
cnt = 1
sum = 0
 
for i in range(0, N):
  sum += Ln[i]
  if sum > X:
    break
  cnt += 1
 
print(cnt)
from statistics import mean
import math
n = int(input())
a = [int(i) for i in input().split()]
for i in range(n):
    a[i] -= i+1
a_fl = math.floor(median(a))
a_ce = math.ceil(median(a))
ans_fl=ans_ce=0

for i in range(n):
    ans_fl += abs(a[i]-a_fl)
    ans_ce += abs(a[i]-a_ce)
print(int(min(ans_fl,ans_ce)))

### FIXED CODE ###

from statistics import median
import math
n = int(input())
a = [int(i) for i in input().split()]
for i in range(n):
    a[i] -= i+1
a_fl = math.floor(median(a))
a_ce = math.ceil(median(a))
ans_fl=ans_ce=0

for i in range(n):
    ans_fl += abs(a[i]-a_fl)
    ans_ce += abs(a[i]-a_ce)
print(int(min(ans_fl,ans_ce)))
import bisect
N, M = map(int, input().split())
a = [None for i in range(2 * M)]
number = [None for i in range(2 * M)]
flag = 0
for i in range(M):
    A, B = map(int, input().split())
    a[2*i] = [A, B]
    a[2*i+1] = [B, A]
    number[2*i]
    number[2*i+1]
a.sort()
b = a[:]
b.reverse()
one = []
two = []
for i in range(M):
    if a[i][0] == 1:
        one.append(a[i][1])
    else:
        break

for i in range(M):
    if b[i][0] == N:
        two.append(b[i][1])
    else:
        break
def intersect_list(lst1, lst2):
    arr = []
    lst = lst1.copy()
    for element in lst2:
        try:
            lst.remove(element)
        except ValueError:
            pass
        else:
            arr.append(element)
    return arr
if len(intersect_list(one, two)) != 0:
    print("POSSIBLE")

else:
    print("IMPOSSIBLE")


### FIXED CODE ###

N = input()
print("ABC" + N)
import sys
def ii(): return int(sys.stdin.readline())
def mi(): return map(int, sys.stdin.readline().split())
def li(): return list(map(int, sys.stdin.readline().split()))
def li2(N): return [list(map(int, sys.stdin.readline().split())) for i in range(N)]
def dp2(ini, i, j): return [[ini]*i for i2 in range(j)]
def dp3(ini, i, j, k): return [[[ini]*i for i2 in range(j)] for i3 in range(k)]
#import bisect #bisect.bisect_left(B, a)
#from collections import defaultdict #d = defaultdict(int) d[key] += value

from collections import deque
N, M = mi()
x = li2(M)

adj = [[] for i in range(N)]
for i in range(M):
    x[i][0] -= 1
    x[i][1] -= 1
    adj[x[i][0]].append(x[i][1])

flag = [0]*N
ans = deque([])

def dfs(x):
    if flag[x]:
        return None
    else:
        flag[x] = 1
        for a in adj[x]:
            dfs(a)
        global ans
        ans.appendleft(x)

for i in range(N):
    dfs(i)

#print(ans)

dp = [0]*N
for a in ans:
    for b in adj[a]:
        dp[b] = max(dp[b], dp[a] + 1)

print(max(dp))

### FIXED CODE ###

import sys
def ii(): return int(sys.stdin.readline())
def mi(): return map(int, sys.stdin.readline().split())
def li(): return list(map(int, sys.stdin.readline().split()))
def li2(N): return [list(map(int, sys.stdin.readline().split())) for i in range(N)]
def dp2(ini, i, j): return [[ini]*i for i2 in range(j)]
def dp3(ini, i, j, k): return [[[ini]*i for i2 in range(j)] for i3 in range(k)]
#import bisect #bisect.bisect_left(B, a)
#from collections import defaultdict #d = defaultdict(int) d[key] += value
'''
N, M = mi()
x = li2(M)

#dp = dp2(0, 2, N)
dp = [[0, []] for i1 in range(N+1)]


for i in range(M):
    dp[x[i][1]][0] = max(dp[x[i][1]][0], dp[x[i][0]][0] + 1)
    dp[x[i][0]][1].append(x[i][1])
    if dp[x[i][1]][1] != []:
        for a in dp[x[i][1]][1]:
            dp[a][0] = max(dp[x[i][1]][0] + 1, dp[a][0])

print(dp)
print(max([row[0] for row in dp])) 
'''
from collections import deque
N, M = mi()
x = li2(M)

h = [0]*N
adj = [[] for i in range(N)]
for i in range(M):
    x[i][0] -= 1
    x[i][1] -= 1
    h[x[i][1]] += 1
    adj[x[i][0]].append(x[i][1])

zeros = deque([])
ans = []
for i in range(N):
    if h[i] == 0:
        zeros.append(i)
        ans.append(i)

while(zeros != deque()):
    a = zeros.popleft()
    if(adj[a]):
        for b in adj[a]:
            h[b] -= 1
            if h[b] == 0:
                zeros.append(b)
                ans.append(b)

#print(ans)

dp = [0]*N
#print(ans)
#print(adj)
for a in ans:
    #print(dp)
    if adj[a]:
        for b in adj[a]:
            dp[b] = max(dp[a] + 1, dp[b])
#print(dp)
print(dp[ans[-1]])
import math
A, B, C, D = map(int, input().split())
print(int(B - A + 1 - (B//C - (A-1)//C + B//D - (A-1)//D - B//(C*D/math.gcd(C, D)) + (A-1)//(C*D/math.gcd(C, D)))))

### FIXED CODE ###

from fractions import gcd
from decimal import Decimal
A, B, C, D = map(Decimal, input().split())
_A = A-1
print(int(B - _A - (B//C - _A//C + B//D - _A//D - B//(C*D/gcd(C, D)) + _A//int(C*D/gcd(C, D)))))
# -*- coding:utf-8 -*-
def check_para(x1,y1,x2,y2,x3,y3,x4,y4):
    k1 = (y2-y1)/(x2-x1)
    k2 = (y4-y3)/(x4-x3)
    if abs(k1-k2) < 1e-10:
        print('YES')
    else:
        print('NO')

n = int(input())
for i in range(n):
    x1,y1,x2,y2,x3,y3,x4,y4 = map(float,input().split())
    check_para(x1,y1,x2,y2,x3,y3,x4,y4)

### FIXED CODE ###

# -*- coding:utf-8 -*-
def check_para(x1,y1,x2,y2,x3,y3,x4,y4):
    if x1 == x2 and x4 == x3:
        print('YES')
        return 0
    elif x1 == x2 or x3 == x4:
        print('NO')
        return 0
    k1 = (y2-y1)/(x2-x1)
    k2 = (y4-y3)/(x4-x3)
    if abs(k1-k2) < 1e-10:
        print('YES')
    else:
        print('NO')

n = int(input())
for i in range(n):
    x1,y1,x2,y2,x3,y3,x4,y4 = map(float,input().split())
    check_para(x1,y1,x2,y2,x3,y3,x4,y4)
int(input())
a = list(map(int, input().split()))
 
c = [0] * 9
 
for rate in a:
    i = rate // 400
    if i < 8:
        c[i] = 1
    else:
        c[8] += 1
 
c_sum = sum(c[:8])
c_min = max(c_sum, 1)
c_max = c_sum + c[8]
 
print(c_min, c_max)
N = int(input())
a = list(map(int, input().split()))

c = [0] * 9

for rate in a:
    i = rate // 400
    if i < 8:
        c[i] = 1
    else:
        c[8] += 1

c_sum = sum(c[:8])
c_min = max(c_sum, 1)
c_max = c_sum + c[8]

print(c_min, c_max)

### FIXED CODE ###

N = int(input())
a = list(map(int, input().split()))

c = [0] * 9

for rate in a:
    i = rate // 400
    if i < 8:
        c[i] = 1
    else:
        c[8] += 1

c_sum = sum(c[:8])
c_min = max(c_sum, 1)
c_max = c_sum + c[8]

print(c_min, c_max)
ciar = list(int, input().split())
W,H,x,y,r = ciar[0],ciar[1],ciar[2],ciar[3],ciar[4]
if (x + r) < W and (y + r) < H :
    print("Yes")
else :
    print("No")

### FIXED CODE ###

ciar = input().split()
W = int(ciar[0])
H = int(ciar[1])
x = int(ciar[2])
y = int(ciar[3])
r = int(ciar[4])
if (x + r) <= W and (x - r) >= 0 :
    if (y + r) <= H and (y - r) >= 0 :
        print("Yes")
    else :
        print("No")
else :
    print("No")
from collections import defaultdict
N, M = map(int, input().split())
Ai = list(map(int, input().split()))

#-----------------
fact = [0 for _ in range(N + 1)]
fact[0] = 1
for i in range(1, N + 1):
    fact[i] = fact[i - 1] * i

def comb(n, m):
    return fact[n] // (fact[m] * fact[n - m])

#---------------
d = defaultdict(int)
total = Ai[0] % M
d[0] = 1
d[total] += 1
for i in range(1, N):
    total = (total + Ai[i]) % M
    d[total] += 1
#-----------------
ans = 0
for k in d.keys():
    c = d[k]
    if c > 1:
        ans += comb(c, 2)
print(ans)

### FIXED CODE ###

from collections import defaultdict
N, M = map(int, input().split())
Ai = list(map(int, input().split()))

#---------------
d = defaultdict(int)
d[0] = 1
total = 0
for i in range(N):
    total = (total + Ai[i]) % M
    d[total] += 1
#-----------------
ans = 0
for k, c in d.items():
    if c > 1:
        ans += c * (c - 1) // 2
print(ans)
from math import floor, ceil, gcd


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


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

multiple_of_C = floor(B / C) - ceil(A / C) + 1
multiple_of_D = floor(B / D) - ceil(A / D) + 1
multiple_of_CtimesD = floor(B / LCM) - ceil(A / LCM) + 1

print((B-A+1)-multiple_of_C-multiple_of_D+multiple_of_CtimesD)


### FIXED CODE ###

from fractions import gcd


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


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

LCM = lcm(C, D)

x = B//C
y = B // D
z = B // LCM
ans = B-x-y+z

x = (A-1) // C
y = (A-1) // D
z = (A-1) // LCM

ans -= (A-1) - x - y + z

print(ans)
Not found

### FIXED CODE ###

n = int(input())
a = 0
for i in range(1,n+1):
    if len(str(i))%2 != 0:
        a += 1
print(a)
import math 

a = 0
input_flo = float(input())
if math.modf(input_flo)[0] == 0.0:
  if len(str(int(input_flo))) == 4:
    input_str=str(int(input_flo))    
  else:
    print("NO")
    exit()
else:
  print("NO")
  exit()

for i in range(len(input_str)):
  if input_str[i] == '1':
    a+=1
  elif input_str[i] == '9':
    a+=1
  elif input_str[i] == '7':
    a+=1
  elif input_str[i] == '4':
    a+=1
    
if a==4:
  print("YES")
else:
  print("NO")

### FIXED CODE ###

import math
a = 0
b = 0
c = 0
d = 0
input_str = input().split()
input_str_list = []

## 少数を省く
for x in input_str:
    try:
       input_str_list.append(int(x))
    except:
      print("NO")
      exit()

for i in range(len(input_str_list)):
  if input_str_list[i] == 1:
    a+=1
  elif input_str_list[i] == 9:
    b+=1
  elif input_str_list[i] == 7:
    c+=1
  elif input_str_list[i] == 4:
    d+=1
if a==1 and b==1 and c==1 and d==1:
  print("YES")
else:
  print("NO")
# -*- coding: utf-8 -*-
"""Untitled3.ipynb

Automatically generated by Colaboratory.

Original file is located at
    https://colab.research.google.com/drive/1VVfPJl7_dXodPfxyID5RNKhqW1ZRqVux
"""

N= int(input())
count=0
for i in range(N):
  p,q=map(int,input().split(' '))
  if count<3:
    if p==q:
      count+=1
    else:
      count=0
  else:
    pass

if count>=3:
  print('Yes')
else:
  print('No')

### FIXED CODE ###

S= input()
if S[-1]=='s':
	S+='es'
else:
	S+='s'
print(S)
# 初期入力
import numpy as np
import sys
input = sys.stdin.readline
N = int(input())
A = list(map(int, input().split()))
A_np =np.array(A,dtype=np.int64)
ans =np.prod(A_np)
if 0 in A:
    print(0)
elif 0 < ans <=10**18:
    print(ans)
else:
    print(-1)

### FIXED CODE ###

# 初期入力
from decimal import Decimal
import sys
input = sys.stdin.readline
A,B = (str(x) for x in input().split())
a =Decimal(A)
b =Decimal(B)
ans =int(a *b)
print(ans)
n,x=map(int,input().split())
l=list(map(int,input().split()))
ans=0
pop=0
i=0
while(pop<=x or i<n):
    pop+=l[i]
    ans+=1
    i+=1
print(ans)

### FIXED CODE ###

n,x=map(int,input().split())
l=list(map(int,input().split()))
ans=1
place=0
for i in l:
    place+=i
    if place>x:
        break
    ans+=1
print(ans)
#encoding=utf-8

def inp(i):
    split_word = i.split()
    return split_word

def rot(split_word):
    for i in xrange(len(split_word)):
        tako = ""
        if len(split_word[i]) == 4 or len(split_word[i]) == 3:
            num = ord(split_word[i][0]) - ord("t")
            for j in xrange(len(split_word[i])):
                tako +=  chr(ord(split_word[i][j]) - num)
            if tako == "that" or tako == "the" or tako == "this":
                return proce(split_word, num)
        else:
            pass
        num = 0

def proce(split_word, num):
    ans = ""
    for i in xrange(len(split_word)):
        for j in xrange(len(split_word[i])):
            if split_word[i][j] < ord("a") or ord("z") < split_word[i][j]:
                ans += split_word[i][j]
            else:
                ans += str(chr(ord(split_word[i][j]) - num))
        ans += " "
    return ans


if __name__ == "__main__":
    import sys
    for i in sys.stdin:
        word = inp(i)
        ans = rot(word)
        print ans[0:(len(ans) - 1)]

### FIXED CODE ###

import sys, string
alpha = 'abcdefghijklmnopqrstuvwxyza'
tbl = string.maketrans(alpha[:-1], alpha[1:])
for s in sys.stdin:
  while not('the' in s or 'this' in s or 'that' in s):
    s = s.translate(tbl)
  print s[:-1]