Harryxun/stf_run huggingface dataset:
i = input()
ans = ""

while i = 0:
	nexti = i // 26
	mod = i % 26
    if mod = 0:
		nextans = "z" + ans
		nextii = nexti - 1
        nexti = nextii
    elif mod = 1:
		nextans = "a" + ans
    elif mod = 2:
		nextans = "b" + ans
    elif mod = 3:
		nextans = "c" + ans
    elif mod = 4:
		nextans = "d" + ans
    elif mod = 5:
		nextans = "e" + ans
    elif mod = 6:
		nextans = "f" + ans
    elif mod = 7:
		nextans = "g" + ans
    elif mod = 8:
		nextans = "h" + ans
    elif mod = 9:
		nextans = "i" + ans
    elif mod = 10:
		nextans = "j" + ans
    elif mod = 11:
		nextans = "k" + ans
    elif mod = 12:
		nextans = "l" + ans
    elif mod = 13:
		nextans = "m" + ans
    elif mod = 14:
		nextans = "n" + ans
    elif mod = 15:
		nextans = "o" + ans
    elif mod = 16:
		nextans = "p" + ans
    elif mod = 17:
		nextans = "q" + ans
    elif mod = 18:
		nextans = "r" + ans
    elif mod = 19:
		nextans = "s" + ans
    elif mod = 20:
		nextans = "t" + ans
    elif mod = 21:
		nextans = "u" + ans
    elif mod = 22:
		nextans = "v" + ans
    elif mod = 23:
		nextans = "w" + ans
    elif mod = 24:
		nextans = "x" + ans
    elif mod = 25:
		nextans = "y" + ans
	ans = nextans
	i = nexti
print(ans)

### FIXED CODE ###

i = int(input())
nexti = 0
nextii = 0
ans = str()
nextans = str()


while i > 0:
  nexti = i // 26
  mod = i % 26
  if mod == 0:
    nextans = "z" + ans
    nextii = nexti-1
    nexti = nextii
  elif mod == 1:
    nextans = "a" + ans
  elif mod == 2:
    nextans = "b" + ans
  elif mod == 3:
    nextans = "c" + ans
  elif mod == 4:
    nextans = "d" + ans
  elif mod == 5:
    nextans = "e" + ans
  elif mod == 6:
    nextans = "f" + ans
  elif mod == 7:
    nextans = "g" + ans
  elif mod == 8:
    nextans = "h" + ans
  elif mod == 9:
    nextans = "i" + ans
  elif mod == 10:
    nextans = "j" + ans
  elif mod == 11:
    nextans = "k" + ans
  elif mod == 12:
    nextans = "l" + ans
  elif mod == 13:
    nextans = "m" + ans
  elif mod == 14:
    nextans = "n" + ans
  elif mod == 15:
    nextans = "o" + ans
  elif mod == 16:
    nextans = "p" + ans
  elif mod == 17:
    nextans = "q" + ans
  elif mod == 18:
    nextans = "r" + ans
  elif mod == 19:
    nextans = "s" + ans
  elif mod == 20:
    nextans = "t" + ans
  elif mod == 21:
    nextans = "u" + ans
  elif mod == 22:
    nextans = "v" + ans
  elif mod == 23:
    nextans = "w" + ans
  elif mod == 24:
    nextans = "x" + ans
  elif mod == 25:
    nextans = "y" + ans
  ans = nextans
  i = nexti
print(ans)
a=[int(i) for i in input()]

for i,j in enumerate(a):
  if j==0:
    print(i+1)
  

### FIXED CODE ###

a=[int(i) for i in input().split()]
 
for i,j in enumerate(a):
  if j==0:
    print(i+1)
import itertools
N = int(input())
MARCH = [0, 0, 0, 0, 0]
final_ans = 0
for i in range(N):
    a = input()
    if a[0] =='M':
        MARCH[0] += 1
    elif a[0] =='A':
        MARCH[1] += 1
    elif a[0] =='R':
        MARCH[2] += 1
    elif a[0] =='C':
        MARCH[3] += 1
    elif a[0] =='H':
        MARCH[4] += 1

MARCH = list(itertools.combinations(MARCH,3))

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

### FIXED CODE ###

import itertools
N = int(input())
M, A, R, C, H = 0, 0, 0, 0, 0
final_ans = 0
for i in range(N):
    a = input()
    if a[0] =='M':
        M += 1
    elif a[0] =='A':
        A += 1
    elif a[0] =='R':
        R += 1
    elif a[0] =='C':
        C += 1
    elif a[0] =='H':
        H += 1

MARCH = [M, A, R, C, H]
ans = list(itertools.combinations(MARCH,3))

final_ans = 0
for i in ans:
    final_ans += i[0]*i[1]*i[2]
print(final_ans)
A,B = input().split()
 
if A > B:
  max = A + A - 1
  print(max)
elif B > A:
  max = B + B - 1
  print(max)
elif A == B:
  max = A + B
  print(max)

### FIXED CODE ###

A,B = map(int,input().split())
 
if A > B:
  max = A + A - 1
  print(max)
elif B > A:
  max = B + B - 1
  print(max)
elif A == B:
  max = A + B
  print(max)
H,W=map(int,input().split())
a=[list(map(int,input().split())) for i in range(H)]
for h in range(H):
    for w in range(W):
        if a[h][w]%2==0:
            a[h][w]=0
        else:
            a[h][w]=1
ans=[]
for h in range(H):
    for w in range(W-1):
        if a[h][w]==1:
            a[h][w+1]=a[h][w+1]^a[h][w]
            ans.append([h+1,w+1,h+1,w+2])
for h in range(H-1):
    if a[h][-1]==1:
        a[h+1][-1]=a[h+a][-1]^a[h][-1]
        ans.append([h+1,W,h+2,W])
print(len(ans))
for i in ans:
    print(*i)


### FIXED CODE ###

H,W=map(int,input().split())
a=[list(map(int,input().split())) for i in range(H)]
for h in range(H):
    for w in range(W):
        if a[h][w]%2==0:
            a[h][w]=0
        else:
            a[h][w]=1
ans=[]
for h in range(H):
    for w in range(W-1):
        if a[h][w]==1:
            a[h][w+1]=a[h][w+1]^a[h][w]
            ans.append([h+1,w+1,h+1,w+2])
for h in range(H-1):
    if a[h][-1]==1:
        a[h+1][-1]=a[h+1][-1]^a[h][-1]
        ans.append([h+1,W,h+2,W])
print(len(ans))
for i in ans:
    print(*i)
# encoding: utf-8
import math
N, M = map(int, input().split())

def distribute(pos, full, tmp):
    return memo[tmp][pos]

# define search range
p_max = int(M / 2) # M is prime if M has a factor p (> p_max)
ip_max = int(math.log2(M))

M_tmp = M
ips = []
for p in range(2, p_max + 1):
    # how many times M_tmp can be divided
    p_tmp = p
    for i_p in range(ip_max + 1):
        if M_tmp % p_tmp > 0: break
        p_tmp = p_tmp * p
    # escape if M_tmp cannot be divided
    if i_p < 1: continue
    # # ans update (dp)
    # ## expand memo if necessary
    # if i_p > ip_tmp:
    #     for i in range(ip_tmp + 1, i_p + 1):
    #         memo_tmp = [0] * N
    #         sum_tmp = 0 # memo[i - 1][N - 1]
    #         vals = list(memo[i - 1])[::-1]
    #         for j, val in enumerate(vals):
    #             sum_tmp += val
    #             memo_tmp[N - 1 - j] = sum_tmp
    #         memo[i] = list(memo_tmp)
    # ## search and count
    # ans_tmp = distribute(0, i_p, i_p)
    # ## add
    # ans = (ans * ans_tmp) % (10 ** 9 + 7)
    # calculate later
    ips.append(i_p)
    # next
    M_tmp = M_tmp // (p_tmp // p)
    if M_tmp == 1: break

# create memo
## init
ip_max = max(ips)
memo = [[None] * N for i in range(ip_max + 1)] # max ip
for j in range(N): memo[0][j] = 1
for i in range(1, ip_max + 1): memo[i][N - 1] = 1
## fill
for i in range(1, ip_max + 1):
    sum_tmp = 1
    vals = list(memo[i - 1])[::-1]
    p_memo = memo[i]
    for j, val in enumerate(vals[1:]):
        sum_tmp += val
        p_memo[N - 2 - j] = sum_tmp

# calculate ans
ans = 1
for i_p in ips: ans = (ans * distribute(0, i_p, i_p)) % (10 ** 9)

    
print(ans)

### FIXED CODE ###

# encoding: utf-8
import math
N, M = map(int, input().split())

ips = []
M_tmp = M
for p in range(2, int(math.sqrt(M)) + 1):
    if M_tmp % p > 0: continue
    for i_p in range(1, 33):
        if M_tmp % (p ** (i_p + 1)) > 0: break
    ips.append(i_p)
    M_tmp = M_tmp // (p ** i_p)
    if M_tmp == 1: break
else:
    ips.append(1)

#### O(NlogM) below ?
# create memo
## init
if len(ips) > 0: ip_max = max(ips)
else: ip_max = 0
memo = [[None] * N for i in range(ip_max + 1)] # max ip
for j in range(N): memo[0][j] = 1
for i in range(1, ip_max + 1): memo[i][N - 1] = 1
## fill
for i in range(1, ip_max + 1):
    sum_tmp = 0
    vals = list(memo[i - 1])[::-1]
    ptr_memo = memo[i]
    for j, val in enumerate(vals):
        sum_tmp += val
        ptr_memo[N - 1 - j] = sum_tmp
#### O(NlogM) above ?
        
# calculate ans
ans = 1
for i_p in ips:
    ans = (ans * memo[i_p][0]) % (10 ** 9 + 7)

if M == 1: print(1)
elif ip_max < 1: print(N)
else: print(ans)
import math
from functools import reduce

n = int(input())
enemies = list(map(int,input().split()))
gcd(reduce(math.gcd, enemies))

### FIXED CODE ###

from functools import reduce

def gcd(a, b):
    while b != 0:
        a, b = b, a % b
    return a

n = int(input())
enemies = list(map(int,input().split()))
print(reduce(gcd, enemies))
from math import gcd

a, b = map(int, input().split())
g = gcd(a, b)
ans = int(a * b / g)
print(ans)

### FIXED CODE ###

# from math import gcd
from fractions import gcd

a, b = map(int, input().split())
g = gcd(a, b)
ans = int(a * b / g)
print(ans)
from decimal import Decimal
import numpy as np
N=Decimal(input())
L=list(map(Decimal,input().split()))
L=Decimal(np.prod(L))

if L>=1000000000000000001:
  print("-1")
else:
  print(int(L))

### FIXED CODE ###

import numpy as np
from decimal import *
 
n = int(input())
a = list(map(Decimal, input().split()))
b = np.array(a)
temp = 1
 
if a.count(0) >0:
  print(0)
  exit()
 
for i in range(n):
  temp = b[i] * temp
  if temp > 10**18 or temp < 0:
    print('-1')
    exit()
 
print(temp)
import sys
from itertools import accumulate
N = int(input())
S = input()
if S == '.'*N or S == '#'*N:
    print(0)
else:
    ind1 = 0
    for i, x in enumerate(S):
        if x == '#':
            ind1 = i
            break
        if i == N-1:
            print(0)
            sys.exit()
    num = 0
    for i, x in enumerate(S[::-1]):
        if x == '.':
            num = i
            break
        if i == N-1:
            print(0)
            sys.exit()
    ind2 = N - num
    s = S[ind1:ind2]
    if s[0] == '.' or s[-1] == '#' or len(s) == 0:
        print(0)
        sys.exit()
    else:
        a = s.split('.')
        b = s.split('#')
        aa = []
        bb = []
        for x, y in zip(a, b):
            if len(x) != 0:
                aa.append(len(x))
            if len(y) != 0:
                bb.append(len(y))
        d = [0] + list(accumulate(aa))
        e = [0] + list(accumulate(bb))
        p = d[-1]
        ls = []
        for i in range(len(d)):
            ls.append(e[i]+p-d[i])
        print(min(ls))

### FIXED CODE ###

import sys
from itertools import accumulate
N = int(input())
S = input()

if S == '.'*N or S == '#'*N:
    print(0)
    sys.exit()

ind1 = 0
for i, x in enumerate(S):
    if x == '#':
        ind1 = i
        break
num = 0
for i, x in enumerate(S[::-1]):
    if x == '.':
        num = i
        break
ind2 = N - num
s = S[ind1:ind2]
if len(s) == 0:
    print(0)
    sys.exit()

a = s.split('.')
b = s.split('#')
aa = []
bb = []
for x in a:
    if len(x) != 0:
        aa.append(len(x))
for x in b:
    if len(x) != 0:
        bb.append(len(x))
c = [0] + list(accumulate(aa))
d = [0] + list(accumulate(bb))
ls = []
for i in range(len(c)):
    ls.append(c[i] + d[-1] - d[i])
print(min(ls))
#dpがやや特殊なので、1次元的に走査したほうがよさそう。initializeもいらないし。
n,m = map(int, input().split())

inf = 10**9

dp =[inf for _ in range(2**n)]
dp[0] = 0

for i in range(m):
    a,b = map(int, input().split())
    d = sum((1<<(i-1)) for i in map(int, input().split()))
  
    for j in range(2**n):
        jord = j | d
        dp[i][jord] = min(dp[i][jord], dp[i][j] + a)
            
if dp[-1] == inf:
    print(-1)
else:
    print(dp[-1])

### FIXED CODE ###

#dpがやや特殊なので、1次元的に走査したほうがよさそう。initializeもいらないし。
n,m = map(int, input().split())

inf = 10**9

dp =[inf for _ in range(2**n)]
dp[0] = 0

for i in range(m):
    a,b = map(int, input().split())
    d = sum((1<<(i-1)) for i in map(int, input().split()))
  
    for j in range(2**n):
        jord = j | d
        dp[jord] = min(dp[jord], dp[j] + a)
            
if dp[-1] == inf:
    print(-1)
else:
    print(dp[-1])
while True:
 result = 0
 i = input().split()
 if i[1] == '+':
  result = int(i[0]) + int(i[2])
 elif i[1] == '-':
  result = int(i[0]) - int(i[2])
 elif i[1] == '*':
  result = int(i[0]) * int(i[2])
 elif i[1] == '/':
  result = int(i[0]) / int(i[2])
 print(result)

### FIXED CODE ###

while True:
 result = 0
 i = input().split()
 if i[1] == '+':
  result = int(i[0]) + int(i[2])
 elif i[1] == '-':
  result = int(i[0]) - int(i[2])
 elif i[1] == '*':
  result = int(i[0]) * int(i[2])
 elif i[1] == '/':
  result = int(i[0]) // int(i[2])
 elif i[1] == '?':
  break
 print(result)
import math
N, M = map(int, input().split())
X = list(map(int, input().split()))

Y=[0]*N

for i in range(N):
    Y[i]=abs(X[i]-M)

tmp=Y[0]
for i in range(N-1):
    tmp=math.gcd(tmp,Y[i+1])

print(tmp)


### FIXED CODE ###

import fractions
N, M = map(int, input().split())
X = list(map(int, input().split()))

Y=[0]*N

for i in range(N):
    Y[i]=abs(X[i]-M)

tmp=Y[0]
for i in range(N-1):
    tmp=fractions.gcd(tmp,Y[i+1])

print(tmp)
import string
s = input()
n = len(s)

min_cnt = float('inf')

for c in string.ascii_lowercase:
    if c not in s:
        continue
    cnt = 0
    s_ = s[:]
    while s_:
        is_same = True
        for d in s_:
            if d != c:
                is_same = False
                break
        if is_same:
            min_cnt = min(min_cnt, n - m)
        m = len(s_) - 1
        s_next = [''] * m
        for i in range(m):
            if s_[i] == c or s_[i + 1] == c:
                s_next[i] = c
            else:
                s_next[i] = s_[i]
        s_ = s_next

print(min_cnt)


### FIXED CODE ###

s = input()
n = len(s)
min_t = float('inf')
for i in range(n):
    target = s[i]
    pre = -1
    max_t = 0
    for j in range(n):
        if s[j] == s[i]:
            max_t = max(max_t, j-pre-1)
            pre = j
    max_t = max(max_t, n - pre-1)
    if max_t < min_t:
        min_t = min(min_t, max_t)
print(min_t)
n = int(input())

s = [2]
#for i in range(3, n, 2):
i = 3
while z < n:
    x = 1
    for j in s:
        if i % j == 0:
            x = 0
            break
    if x:
        z = i
        s.append(i)
    i += 2
print(z)

### FIXED CODE ###

n = int(input())

def isprime(x):
    for i in range(2, int(x**0.5), 1):
        if x % i == 0:
            return False
    return True

i = n
while True:
    if isprime(i):
        break
    else:
        i += 1
print(i)
#import numpy as np
import sys
input = sys.stdin.readline


def main():
    h, n = map(int, input().split())
    # A = []
    # B = []
    # for _ in range(n):
    #     A.append(a)
    #     B.append(b)
        
    m = 2 * 10**4 + 10
    dp = [0] * (h+1)
    dp[0] = 0
    # for a, b in zip(A, B):
    #     dp[a] = b
    for i in range(h):
        a, b = map(int, input().split())
        # for a, b in zip(A, B):
        if i + a < m and dp[i] > 0:
            j = min(i+a, h)
            if dp[j] > 0:
                dp[j] = min(dp[j], dp[i] + b)
            else:
                dp[j] = dp[i] + b
    k = h
    # print(dp[:20])
    # while (flag):
    #     if dp[k] > 0:
    #         ans = dp[k]
    #         flag = 0
    #     k += 1
    # d = np.array(dp[k:])
    # print(np.min(d[d.nonzero()]))
    print(dp[h])
    
    
main()


### FIXED CODE ###

#import numpy as np
import sys
input = sys.stdin.readline


def main():
    h, n = map(int, input().split())
    # A = []
    # B = []
    # for _ in range(n):
    #     A.append(a)
    #     B.append(b)
        
    m = 2 * 10**4 + 10
    dp = [float("inf")] * (h+1)
    dp[0] = 0
    # for a, b in zip(A, B):
    #     dp[a] = b
    for _ in range(n):
        a, b = map(int, input().split())
        for i in range(h):
            # for a, b in zip(A, B):
            if i + a < m :
                j = min(i+a, h)
                if dp[j] > 0:
                    dp[j] = min(dp[j], dp[i] + b)
                else:
                    dp[j] = dp[i] + b
    k = h
    # print(dp[:20])
    # while (flag):
    #     if dp[k] > 0:
    #         ans = dp[k]
    #         flag = 0
    #     k += 1
    # d = np.array(dp[k:])
    # print(np.min(d[d.nonzero()]))
    print(dp[h])
    
    
main()
import sys
c,d=[],{}
for x in iter(input,'0,0'):p,s=map(int,x.split(','));c+=[s];d[p]=s
for y in sys.stdin:print({*c}.sort()[::-1].index(d[int(y)])+1)


### FIXED CODE ###

import sys
c,d=[],{}
for x in iter(input,'0,0'):p,s=map(int,x.split(','));c+=[s];d[p]=s
for y in sys.stdin:print(sorted({*c})[::-1].index(d[int(y)])+1)
list = raw_input().split()

A = list[0]

B = list[1]

c = list[2]

if B // A < C:
    print B // A

else:
    print C


### FIXED CODE ###

list = raw_input().split()

A = int(list[0])

B = int(list[1])

C = int(list[2])

if B // A < C:
    print B // A

else:
    print C
print(N-K+1)

### FIXED CODE ###

N,K=map(int,input().split())
print(N-K+1)
n = int(input())
l = []
for i in range(n):
  l.append(list(map(int,input().split())))
m = []
for i in l:
  a,b = i
  k.append(a+b)
  m.append(a-b)
k.sort()
m.sort()
print(max([k[-1]-k[0],m[-1] -m[0]]))

### FIXED CODE ###

n = int(input())
l = []
for i in range(n):
  l.append(list(map(int,input().split())))

k = []
m = []
for i in l:
  a,b = i
  k.append(a+b)
  m.append(a-b)
k.sort()
m.sort()
print(max([k[-1]-k[0],m[-1] -m[0]]))
b = input().split(" ")
num = [0 for i in range(int(b[0]))] 
for i in range(int(b[1])):
    a = input().split(" ")
    num[int(a[0])-1] = num[int(a[0])-1]+1
    num[int(a[1])-1] = num[int(a[1])-1]+1

for i in range(int(b[0])):
    print(num[i])

### FIXED CODE ###

def siritori(a):
    s1 = int(a[0])
    s2 = int(a[1])
    s3 = int(a[2])
    if s1<=s3 and s3<=s2:
        print("Yes")
    else:
        print("No")

siritori(input().split(" "))
s = raw_input()
abc = " ABC "
arc = " ARC "
if s = abc:
  print " ARC"
elif s = arc:
  print " ABC "

### FIXED CODE ###

s = raw_input()
if s == "ABC":
    print "ARC"
if s == "ARC":
    print"ABC"
N = int(input())
a_count =0
b_count =0
ab_count =0
ab_alt =0
for i in range(N):
    test = str(input())
    if test[0] == "B":
        b_count +=1
        flag =1
    if test[-1] == "A":
        a_count += 1
        if flag == 1:
            flag =0
            ab_alt +=1
    ab_count += test.count("AB")
if ab_alt == b_count:
    if ab_alt == a_count:
        a_count += -1
print(ab_count+min(a_count,b_count))

### FIXED CODE ###

N = int(input())
a_count =0
b_count =0
ab_count =0
ab_alt =0
flag =0
for i in range(N):
    test = str(input())
    if test[0] == "B":
        b_count +=1
        flag =1
    if test[-1] == "A":
        a_count += 1
        if flag == 1:
            flag =0
            ab_alt +=1
    ab_count += test.count("AB")
if ab_alt != 0:
    if ab_alt == b_count:
        if ab_alt == a_count:
            a_count += -1
print(ab_count+min(a_count,b_count))
A=map(int,input().split());print(max(A)-min(A))

### FIXED CODE ###

A=list(map(int,input().split()));print(max(A)-min(A))
N, M, C = map(int, input().split())
B = [int(_) for _ in input().split()]
A = []
for i in range(N):
    A.append([int(_) for _ in input().split()])

right = 0

for i in range(N):
    src = 0
    for j in range(M):
        src += A[i][j]*B[j]
    if src + C >0 :
        right + =1

print(right)

### FIXED CODE ###

N, M, C = map(int, input().split())
B = [int(_) for _ in input().split()]
A = []
for i in range(N):
    A.append([int(_) for _ in input().split()])

right = 0

for i in range(N):
    src = 0
    for j in range(M):
        src += A[i][j]*B[j]
    if src+C>0:
        right+=1

print(right)
s = list(input())
k = int(input())
o = 0

while s[0] == "1":
    del s[0]
    o += 1

if o >= k:
    print("1")
else:
    print(s[0])

### FIXED CODE ###

s = list(input())
k = int(input())
o = 0

while s[0] == "1" and len(s) >= 2:
    del s[0]
    o += 1

if o >= k:
    print("1")
else:
    print(s[0])
N,M = map(int,input().split())
X = list(map(int,input().split()))

d = []

X.sort()
for i in range(M-1):
    d.append((X[i+1]-X[i]))
else:
    d.sort()
    d = d[::-1]

res = sum(d)
for i in range(N-1):
    res -= d[i]
else:
    print(res)



### FIXED CODE ###

N,M = map(int,input().split())
X = list(map(int,input().split()))

d = []

X.sort()
for i in range(M-1):
    d.append(X[i+1]-X[i])
else:
    d.sort()
    d = d[::-1]

res = sum(d) - sum(d[0:N-1])

print(res)
a = int(input())
print(int(a+(a**2)+(a**3))

### FIXED CODE ###

a = int(input())
s = a*a
c = a*a*a
t = a+s+c
print(int(t))
N,x = [int(hoge) for hoge in input().split()]
A = [int(hoge) for hoge in input().split()]
#x個のお菓子を配る。
#和がxを越えないように最も多い数のaを選ぶ
A.sort()
ans = 0
cur = 0
for a in A:
    cur += a
    if cur > x:
        print(ans)
        exit()
    ans += 1
if cur == X:print(N)
else:print(ans-1)

### FIXED CODE ###

N,x = [int(hoge) for hoge in input().split()]
A = [int(hoge) for hoge in input().split()]
#x個のお菓子を配る。
#和がxを越えないように最も多い数のaを選ぶ
A.sort()
ans = 0
cur = 0
for a in A:
    cur += a
    if cur > x:
        print(ans)
        exit()
    ans += 1
if cur == x:print(N)
else:print(ans-1)
import math
a,b,h,m=map(int,input().split())
x =(math.pi)*h/6 - (math.pi)*m/30) + (math.pi)*m/360
c =a**2+b**2-2*a*b*(math.cos(x))
c = math.sqrt(c)
print(c)

### FIXED CODE ###

import math
a,b,h,m=map(int,input().split())
x =(math.pi)*h/6 - (math.pi)*m/30 + (math.pi)*m/360
c = math.sqrt(a**2+b**2-2*a*b*(math.cos(x)))
print(c)
N,W=map(int,input().split())
dp=[-1]*(W+1)
dp[0]=0
for _ in range(N):
    w,v=map(int,input().split())
    for i in range(W+1)[::-1]:
        if dp[i]!=-1 and i+w<=W:
            dp[i+w]=max(dp[i+w],dp[i]+v)
print(max(dp))    


### FIXED CODE ###

n, w = map(int, input().split())
INF = float('inf')
P = []
for _ in range(n):
    iw, iv = map(int, input().split())
    P.append([iw, iv])

dp = [[INF for i in range(10 ** 5 + 1)] for j in range(n + 1)]
dp[0][0] = 0
for i in range(1, n + 1):
    for j in range(10 ** 5 + 1):
        if j - P[i - 1][1] >= 0:
            dp[i][j] = min(dp[i - 1][j], dp[i - 1][j - P[i - 1][1]] + P[i - 1][0])
        else:
            dp[i][j] = dp[i - 1][j]

ans = 10 ** 5
while dp[n][ans] > w:
    ans -= 1
print(ans)
import sys
sys.setrecursionlimit(1000000) 

def findSumOfDigits(n):
    sum = 0
    while n > 0.1:
        sum = sum + (n % 10)
        #print(n % 10)
        n = n - (n % 10)
        n = n / 10
    return sum

# 整数の入力
n = input()
n = int(n)

a = input()
a = int(a)

b = input()
b = int(b)

ans = 0

for i in range(1,n+1):
    #print(i)
    test = findSumOfDigits(i)
    if a <= test:
        if b >= test:
            ans = ans + i

print(int(ans))


### FIXED CODE ###


# スペース区切りの整数の入力
a, b, c, d = map(int, input().split())

if a+b > c+d:
    print('Left')
elif a+b < c+d:
    print('Right')
else:
    print('Balanced')
# -*- coding: utf-8 -*-

def main():
    n = int(input())
    num = makeNumList(input())
    ans = 0.0
    
    for i in range(n):
        ans += invNum(num[i])
    
    print(invNum(ans))

def invNum(n):
    return 1 / n

def makeNumList(raw):
    num = []
    raw = raw.split(" ")
    for i in range(len(raw)):
        num.append(raw[i])
    return num

main()

### FIXED CODE ###

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

def main():
    n = int(input())
    num = makeNumList(input())
    ans = 0.0
    
    for i in range(n):
        ans += invNum(num[i])
    
    print(invNum(ans))

def invNum(n):
    return 1 / n

def makeNumList(raw):
    num = []
    raw = raw.split(" ")
    for i in range(len(raw)):
        num.append(int(raw[i]))
    return num

main()
# -*- coding: utf-8 -*-
import sys
from functools import reduce
from math import gcd
# ----------------------------------------------------------------
# Use Solve Function

def solve(lines):
    N = int(lines.pop(0))
    A = list(map(int, lines.pop(0).split(' ')))
    lcd = reduce(lambda i,j: i*j//gcd(i,j), A, 1)
    m = lcd - 1
    A = [ m % i for i in A ]
    print(sum(A))

lines = [x.strip() for x in sys.stdin.readlines()]

#
# solve !!
#
solve(lines)

### FIXED CODE ###

# -*- coding: utf-8 -*-
import sys
from functools import reduce
from fractions import gcd
# ----------------------------------------------------------------
# Use Solve Function

def solve(lines):
    N = int(lines.pop(0))
    A = list(map(int, lines.pop(0).split(' ')))
    lcd = reduce(lambda i,j: i*j//gcd(i,j), A, 1)
    m = lcd - 1
    A = [ m % i for i in A ]
    print(sum(A))

lines = [x.strip() for x in sys.stdin.readlines()]

#
# solve !!
#
solve(lines)