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

S = input()
Q = int(input())

for i in range(Q):
    query = input().split()
    if query[0] == "1":
        S = S[::-1]
    else:
        if query[1] == "1":
            S = query[2] + S
        else:
            S = S + query[2]

print(S)

### FIXED CODE ###

from collections import deque
S = deque(list(input()))
Q = int(input())
parity = 0

for i in range(Q):
    query = input().split()
    if len(query) == 1:
        parity += 1
    else:
        if int(query[1]) == 1 + (parity % 2):
            S.appendleft(query[2])
        else:
            S.append(query[2])
S = ''.join([c for c in S])
if parity % 2 == 1:
    S = S[::-1]
print(S)
### BUGGY CODE ###

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

dp = [0]
INF = float('inf')
for i in range(1, n):
  act = INF
  for j in range(k):
    if i-j > 0:
      act = min(act, dp[-1-j]+abs(h[i]-h[i-j-1]))
  dp.append(act)
print(dp[-1])

### FIXED CODE ###

N, K = map(int, input().split())
h = list(map(int, input().split()))
 
DP = [0]
for i in range(N-1):
    act = float("inf")
    for k in range(K):
        if i-k < 0 : continue
        act = min(DP[-1-k] + abs(h[i-k]-h[i+1]) , act)
    DP += [act]
 
print(DP[-1])
### BUGGY CODE ###

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

k, s = map(int, input().split())

matched = []

for x in range(0, k + 1):
    for y in range(0, k + 1):
        z = s - x - y
        if 0 <= z and z <= k:
            matched.append((x, y, z))

# print(matched)
print(len(matched))

### FIXED CODE ###

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

k, s = map(int, input().split())

count = 0

for x in range(0, k + 1):
    for y in range(0, k + 1):
        z = s - x - y
        if 0 <= z and z <= k:
            count += 1

print(count)
### BUGGY CODE ###

N, K = map(int, input().split())
p = list(map(int, input().split()))

max_e = 0
for i in range(N-K+1):
    max_e = max(max_e, (sum(p[i:i+K])+K)/2)
print(max_e)

### FIXED CODE ###

N, K = map(int, input().split())
p = list(map(int, input().split()))

e = (sum(p[0:K])+K) / 2
max_e = e
for i in range(1, N-K+1):
    e += -(p[i-1]+1)/2 + (p[i+K-1]+1)/2
    max_e = max(max_e, e)
    
print(max_e)
### BUGGY CODE ###

import sys
input = sys.stdin.readline

X, Y, Z, K = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
C = list(map(int, input().split()))

AB = [0]*X*Y
i = 0
for a in A:
    for b in B:
        AB[i] = a + b
        i += 1
AB.sort(reverse=True)

ans = [0]*min(K, len(AB))*Z
i, j = 0, 0
for i in range(min(K, len(AB))):
    for c in C:
        ans[j] = AB[i] + c
        j += 1
ans.sort(reverse=True)

for i in range(K):
    print(ans[i])

### FIXED CODE ###

X, Y, Z, K =map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
C = list(map(int, input().split()))

AB = []
for i in range(X):
  for j in range(Y):
    AB.append(A[i] + B[j])
AB.sort(reverse=True)

ans = []
for i in range(min(K, len(AB))):
  for j in range(Z):
    ans.append(AB[i] + C[j])
ans.sort(reverse=True)

for i in range(K):
  print(ans[i])
### BUGGY CODE ###

from collections import defaultdict, deque


def bfs(V, s, t):
    q = deque([(0, s)])
    used = set()
    
    while q:
        dist, a = q.popleft()
        used.add(a)
        if a == t:
            break
        for b in V[a]:
            if b in used: continue
            q.append((dist+1, b))
    
    if a != t:
        dist = -1
    else:
        dist = -1 if dist%3 else dist//3
    return dist


if __name__ == "__main__":
    V = defaultdict(list)
    N, M = map(int, input().split())
    for _ in range(M):
        u, v = map(int, input().split())
        V[u].append(v*(N+1))
        V[u*(N+1)].append(v*(2*N+1))
        V[u*(2*N+1)].append(v)

    S, T = map(int, input().split())
    dist = bfs(V, S, T)
    print(dist)


### FIXED CODE ###

from collections import defaultdict, deque
from heapq import heappush, heappop


def bfs(V, s, t):
    q = deque([(0, s)])
    used = set()
    
    while q:
        dist, a = q.popleft()
        used.add(a)
        if a == t:
            break
        for b in V[a]:
            if b in used: continue
            q.append((dist+1, b))
    
    if a != t:
        dist = -1
    else:
        dist = -1 if dist%3 else dist//3
    return dist

def dijkstra1(V, n, source):
    # O(ElogV)

    inf = float("inf")
    dist = [inf] * (n+1)
    dist[source] = 0
    q = [(0, source)]

    while q:
        cost, u = heappop(q)
        if dist[u] < cost:
            continue
        for c, v in V[u]:
            if dist[v] > dist[u] + c:
                dist[v] = dist[u] + c
                heappush(q, (dist[v], v))

    return dist


if __name__ == "__main__":
    V = defaultdict(list)
    N, M = map(int, input().split())
    for _ in range(M):
        u, v = map(int, input().split())
        V[u].append((1, v+(N)))
        V[u+(N)].append((1, v+(2*N)))
        V[u+(2*N)].append((1, v))

    S, T = map(int, input().split())
    dist = dijkstra1(V, 3*N, S)[T]
    print(-1 if dist==float("inf") else dist//3)
### BUGGY CODE ###

from itertools import permutations

def warshall_floyd(A, INF=10**20):
    d = [[INF for i in range(len(A))] for j in range(len(A))]
    for i in range(len(A)):
        d[i][i] = 0
        for j in A[i].keys():
          d[i][j] = A[i][j]

    for k in range(len(A)):
        for i in range(len(A)):
            for j in range(len(A)):
                d[i][j] = min(d[i][j], d[i][k]+d[k][j])
    
    return d
  
N,M,R=map(int,input().split())
r = list(map(int,input().split()))
r2 = []
for i in range(len(r)):
  r2.append(r[i]-1)
r = r2
G=[{} for _ in range(N)]
for i in range(M):
  a,b,c=map(int,input().split())
  a -= 1
  b -= 1
  G[a][b] = c
  G[b][a] = c

d = warshall_floyd(G)

if R==2:
  print(d[r[0]][r[1]])
  exit()
  
ans = 10**20
for p in permutations(r):
  dist=0
  for i in range(R-1):
    dist += d[p[i]][p[i+1]]
  ans = min(ans,dist)
  
print(ans)

### FIXED CODE ###

from itertools import permutations

def warshall_floyd(A, INF=10**20):
    d = [[INF for i in range(len(A))] for j in range(len(A))]
    for i in range(len(A)):
        d[i][i] = 0
        for j in A[i].keys():
          d[i][j] = A[i][j]

    for k in range(len(A)):
        for i in range(len(A)):
            for j in range(len(A)):
                d[i][j] = min(d[i][j], d[i][k]+d[k][j])
    
    return d
  
N,M,R=map(int,input().split())
r = list(map(int,input().split()))
r2 = []
for i in range(len(r)):
  r2.append(r[i]-1)
r = r2
G=[{} for _ in range(N)]
for i in range(M):
  a,b,c=map(int,input().split())
  a -= 1
  b -= 1
  G[a][b] = G[b][a] = c

d = warshall_floyd(G)

if R==2:
  print(d[r[0]][r[1]])
  exit()
  
ans = 10**20
for p in permutations(r):
  dist=0
  for i in range(R-1):
    dist += d[p[i]][p[i+1]]
  ans = min(ans,dist)
  
print(ans)
### BUGGY CODE ###

from collections import deque
import sys
input = sys.stdin.readline


def to_ind(i, j):
    return i * w + j

h, w, k = map(int, input().split())
x1, y1, x2, y2 = map(int, input().split())
s = [input() for i in range(h)]
INF = 10 ** 9

graph = [[] for i in range(h * w)]
for i in range(h):
    for j in range(w):
        if s[i][j] == "@":
            continue
        for dj in range(1, k + 1):
            if not(0 <= j + dj < w):
                break
            if s[i][j + dj] == "@":
                break
            graph[to_ind(i, j)].append(to_ind(i, j + dj))
            graph[to_ind(i, j + dj)].append(to_ind(i, j))
        for di in range(1, k + 1):
            if not(0 <= i + di < h):
                break
            if s[i + di][j] == "@":
                break
            graph[to_ind(i, j)].append(to_ind(i + di, j))
            graph[to_ind(i + di, j)].append(to_ind(i, j))   

visited = [INF] * (h * w)
visited[to_ind(x1 - 1, y1 - 1)] = 0
q = deque([to_ind(x1 - 1, y1 - 1)])
while q:
    v = q.popleft()
    for nxt_v in graph[v]:
        if visited[nxt_v] <= visited[v] + 1:
            continue
        visited[nxt_v] = visited[v] + 1
        q.append(nxt_v)

if visited[to_ind(x2 - 1, y2 - 1)] == INF:
    print(-1)
else:
    print(visited[to_ind(x2 - 1, y2 - 1)])

### FIXED CODE ###

from collections import deque
import sys
input = sys.stdin.readline


def bfs(i1, j1) -> list:
    U, D, L, R = 0, 1, 2, 3
    INF = 10 ** 18
    dist = [[INF] * w for _ in range(h)]
    dist[i1][j1] = 0
    q = deque([(0, i1, j1)])
    while q:
        d, i, j = q.popleft()
        #if dist[i][j] < d:
        #    continue
        for di, dj in ((-1, 0), (1, 0), (0, -1), (0, 1)):
            for length in range(1, k + 1):
                nxt_i = i + di * length
                nxt_j = j + dj * length
                if not(0 <= nxt_i < h and 0 <= nxt_j < w):
                    break
                if c[nxt_i][nxt_j] == "@":
                    break
                if dist[i][j] + 1 > dist[nxt_i][nxt_j]:
                    break
                if dist[i][j] + 1 < dist[nxt_i][nxt_j]:
                    dist[nxt_i][nxt_j] = dist[i][j] + 1
                    q.append((dist[nxt_i][nxt_j], nxt_i, nxt_j))
    return dist


h, w, k = map(int, input().split())
x1, y1, x2, y2 = map(int, input().split())
c = [input() for i in range(h)]


x1 -= 1
y1 -= 1
x2 -= 1
y2 -= 1
dist = bfs(x1, y1)
ans = dist[x2][y2]

if ans == 10 ** 18:
    print(-1)
else:
    print(ans)
### BUGGY CODE ###

def make_ps(n):
    tbl = [False, True, False, False, False, True] * (n // 6 + 1)
    for i in range(1, 4):
        tbl[i] = not tbl[i]
    p, stp, sqrt = 5, 2, n ** 0.5
    while p < sqrt:
        for i in range(p ** 2, n, 2 * p):
            tbl[i] = False
        while True:
            p += stp
            stp = 6 - stp
            if tbl[p]:
                break
    return [i for i in range(n) if tbl[i]]
ps = make_ps(50000)
while True:
    n = int(input())
    if not n:
        break
    res = 0
    if n % 2:
        if n - 2 in ps:
            res += 1
    else:
        res = 0
        for p in ps:
            if 2 * p > n:
                break
            if n - p in ps:
                res += 1
    print(res)

### FIXED CODE ###

def make_tbl(n):
    tbl = [False, True, False, False, False, True] * (n // 6 + 1)
    for i in range(1, 4):
        tbl[i] = not tbl[i]
    p, stp, sqrt = 5, 2, n ** 0.5
    while p < sqrt:
        for i in range(p ** 2, n, 2 * p):
            tbl[i] = False
        while True:
            p += stp
            stp = 6 - stp
            if tbl[p]:
                break
    return tbl
tbl = make_tbl(50000)
ps = [i for i in range(50000) if tbl[i]]
while True:
    n = int(input())
    if not n:
        break
    res = 0
    if n % 2:
        if tbl[n - 2]:
            res += 1
    else:
        res = 0
        for p in ps:
            if 2 * p > n:
                break
            if tbl[n - p]:
                res += 1
    print(res)
### BUGGY CODE ###

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

b = []

front = False
for i in a:
    if front:
        b.insert(0, i)
        front = False
    else:
        b.append(i)
        front = True



if front:
    b.reverse()


b = list(map(str, b))
b = " ".join(b)
print(b)

### FIXED CODE ###

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

front = False
for i in a:
    if front:
        b.insert(0, i)
        front = False
    else:
        b.append(i)
        front = True




if front:
    b.reverse()


b = list(map(str, b))
b = " ".join(b)
print(b)
'''


first = a[0:n:2]
last = a[1:n:2]
last = last[::-1]
answer = last + first
if n%2 != 0:
    answer = answer[::-1]

print(*answer, sep=" ")
### BUGGY CODE ###

value_list = []
number_of_test = int(input())
while True:
	try:
		value = int(input())
		if value_list.count(value) == 1:
			value_list.remove(value)
		else:
			value_list.append(value)
	except EOFError:
		break
print(len(value_list))


### FIXED CODE ###

import collections

cnt = int(input())
array = []
for i in range(cnt):
    array.append(int(input()))
cnt_dict = collections.Counter(array)

res = 0
for j in cnt_dict.values():
    if j % 2 != 0:
        res += 1
print(res)
### BUGGY CODE ###

import sys
input=sys.stdin.readline

N,M=[int(n) for n in input().split()]
lis=[[int(n) for n in input().split()] for i in range(M)]
l_2=sorted(lis, key=lambda x: x[1])
dic={}
for i,j in l_2:
    dic[i]=dic.get(i,0)+1
    lis[lis.index([i,j])]='{:0=6}{:0=6}'.format(i,dic[i])
for i in lis:print(i)

### FIXED CODE ###

def main():
    n, m = map(int, input().split())
    lines = [input() for j in range(m)]
 
    cities = {}
    for i in range(m):
        p, y = map(int, lines[i].split())
        if p in cities:
            cities[p].append((i, y))
        else:
            cities[p] = [(i, y)]
 
    outputs = [None] * m
    for pref, city_list in cities.items():
        city_list.sort(key=lambda x: x[1])
        #print(pref, city_list)
        city_no = 1
        for city in city_list:
            outputs[city[0]] = "{:06d}{:06d}".format(pref, city_no)
            city_no += 1
 
    for output in outputs:
        print(output)
    return
 
 
main()
### BUGGY CODE ###

class UnionFind():
   def __init__(self, n):
       self.n = n
       self.parents = [-1] * n

   def find(self, x):
       if self.parents[x] < 0:
           return x
       else:
           self.parents[x] = self.find(self.parents[x])
           return self.parents[x]

   def union(self, x, y):
       x = self.find(x)
       y = self.find(y)

       if x == y:
           return

       if self.parents[x] > self.parents[y]:
           x, y = y, x

       self.parents[x] += self.parents[y]
       self.parents[y] = x

   def size(self, x):
       return -self.parents[self.find(x)]

   def same(self, x, y):
       return self.find(x) == self.find(y)

   def members(self, x):
       root = self.find(x)
       return [i for i in range(self.n) if self.find(i) == root]

   def roots(self):
       return [i for i, x in enumerate(self.parents) if x < 0]

   def group_count(self):
       return len(self.roots())

   def all_group_members(self):
       return {r: self.members(r) for r in self.roots()}

   def __str__(self):
       return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())

n,k,l = map(int,input().split())
uf1 = UnionFind(n)
uf2 = UnionFind(n)

for _ in range(k):
   p,q = map(int,input().split())
   p -= 1
   q -= 1
   uf1.union(p,q)

for _ in range(l):
   r,s = map(int,input().split())
   r -= 1
   s -= 1
   uf2.union(r,s)

for i in range(n):
   print(len(set(uf1.members(i)) & set(uf2.members(i))))

### FIXED CODE ###

class UnionFind():
   def __init__(self, n):
       self.n = n
       self.parents = [-1] * n

   def find(self, x):
       if self.parents[x] < 0:
           return x
       else:
           self.parents[x] = self.find(self.parents[x])
           return self.parents[x]

   def union(self, x, y):
       x = self.find(x)
       y = self.find(y)

       if x == y:
           return

       if self.parents[x] > self.parents[y]:
           x, y = y, x

       self.parents[x] += self.parents[y]
       self.parents[y] = x

   def size(self, x):
       return -self.parents[self.find(x)]

   def same(self, x, y):
       return self.find(x) == self.find(y)

   def members(self, x):
       root = self.find(x)
       return [i for i in range(self.n) if self.find(i) == root]

   def roots(self):
       return [i for i, x in enumerate(self.parents) if x < 0]

   def group_count(self):
       return len(self.roots())

   def all_group_members(self):
       return {r: self.members(r) for r in self.roots()}

   def __str__(self):
       return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())

n,k,l = map(int,input().split())
uf1 = UnionFind(n)
uf2 = UnionFind(n)

for _ in range(k):
   p,q = map(int,input().split())
   p -= 1
   q -= 1
   uf1.union(p,q)

for _ in range(l):
   r,s = map(int,input().split())
   r -= 1
   s -= 1
   uf2.union(r,s)

from collections import defaultdict
dic = defaultdict(int)
pair = []
for i in range(n):
   pair.append((uf1.find(i), uf2.find(i)))
   dic[(uf1.find(i), uf2.find(i))] += 1

for i in range(n):
   print(dic[pair[i]])
### BUGGY CODE ###

N, P = map(int, input().split())

# Nの因数を昇順で返す関数。1含む
def factor(n):
    f = []
    for i in range(1, int(n**0.5) + 1):
        if n%i == 0:
            f.append(i)
            if i != n//i:
                f.append(n//i)
    return f

if N == 1:
    print(P)
else:
    ans = 1
    for x in factor(P):
        if P % pow(x,N) == 0:
            ans = max(ans, x)
    print(ans)

### FIXED CODE ###

from collections import Counter

N, P = map(int, input().split())

# n以下の全ての素数のセットを返す関数
def prime_set(n):
    primes = set(range(2, n+1))
    for i in range(2, int(n**0.5) + 1):
        primes.difference_update(range(i*2, n+1, i))
    return primes

# nを素因数分解して素因数の全リストを返す関数
def prime_factors(n):
    f = []
    for i in prime_set(int(n**0.5) + 1):
        while n % i == 0:
            f.append(i)
            n //= i
    if n > 1:
        f.append(n)
    return f

c = Counter(prime_factors(P))
ans = 1

for x in c.keys():
    ans *= pow(x, int(c[x]//N))

print(ans)
### BUGGY CODE ###

import sys
from collections import deque
l,n=map(int,input().split())
c=n
tree1=[int(i) for i in sys.stdin]
reversed_tree1=[l-i for i in reversed(tree1)]
tree=deque(tree1)
reversed_tree=deque(reversed_tree1)
if n%2 == 0:
  ans= sum(tree1)*2 + l*(n-1) +tree1[n//2] - sum(tree1[n//2:])*4
  ans2= sum(reversed_tree1)*2 + l*(n-1) +reversed_tree1[n//2] - sum(reversed_tree1[n//2:])*4
  n-=1
  c-=1
  ans3= ans-tree.popleft()*2-l+tree[n//2]*2
  ans= max(ans,ans3)
  ans4= ans2-reversed_tree.popleft()*2-l+(reversed_tree[n//2])*2
  ans2= max(ans2,ans4)
else:
  ans= sum(tree1)*2 + l*(n-1) - tree1[n//2] - sum(tree1[((n//2)+1):])*4
  ans3=ans
  ans2= sum(reversed_tree1)*2 + l*(n-1) - reversed_tree1[n//2] - sum(reversed_tree1[((n//2)+1):])*4
  ans4=ans2
while n>1:
  n-=1
  ans_stack= ans3-tree.popleft()*2-l+tree[(n-1)//2]+tree[(n+1)//2]
  ans= max(ans_stack,ans)
  ans3=ans_stack
  n-=1
  ans_stack= ans3-tree.popleft()*2-l+tree[n//2]*2
  ans=max(ans_stack,ans)
  ans3=ans_stack
n=c
while n>1:
  n-=1
  ans_stack= ans4-reversed_tree.popleft()*2-l+reversed_tree[(n-1)//2]+reversed_tree[(n+1)//2]
  ans2=max(ans_stack,ans2)
  ans4=ans_stack
  n-=1
  ans_stack= ans4-reversed_tree.popleft()*2-l+reversed_tree[n//2]*2
  ans2=max(ans2,ans_stack)
  ans4=ans_stack
print(max(ans,ans2))

### FIXED CODE ###

import sys
from collections import deque
l,n=map(int,input().split())
c=n
tree1=[int(i) for i in sys.stdin]
reversed_tree1=[l-i for i in reversed(tree1)]
tree=deque(tree1)
reversed_tree=deque(reversed_tree1)
if n%2 == 0:
  ans= sum(tree1)*2 + l*(n-1) +tree1[n//2] - sum(tree1[n//2:])*4
  ans2= sum(reversed_tree1)*2 + l*(n-1) +reversed_tree1[n//2] - sum(reversed_tree1[n//2:])*4
  n-=1
  c-=1
  ans3= ans-tree.popleft()*2-l+tree[n//2]*2
  ans= max(ans,ans3)
  ans4= ans2-reversed_tree.popleft()*2-l+(reversed_tree[n//2])*2
  ans2= max(ans2,ans4)
else:
  ans= sum(tree1)*2 + l*(n-1) - tree1[n//2] - sum(tree1[((n//2)+1):])*4
  ans3=ans
  ans2= sum(reversed_tree1)*2 + l*(n-1) - reversed_tree1[n//2] - sum(reversed_tree1[((n//2)+1):])*4
  ans4=ans2
for i in range(n//2):
  n-=1
  ans_stack= ans3-tree.popleft()*2-l+tree[(n-1)//2]+tree[(n+1)//2]
  ans= max(ans_stack,ans)
  ans3=ans_stack
  n-=1
  ans_stack= ans3-tree.popleft()*2-l+tree[n//2]*2
  ans=max(ans_stack,ans)
  ans3=ans_stack
n=c
for i in range(n//2):
  n-=1
  ans_stack= ans4-reversed_tree.popleft()*2-l+reversed_tree[(n-1)//2]+reversed_tree[(n+1)//2]
  ans2=max(ans_stack,ans2)
  ans4=ans_stack
  n-=1
  ans_stack= ans4-reversed_tree.popleft()*2-l+reversed_tree[n//2]*2
  ans2=max(ans2,ans_stack)
  ans4=ans_stack
print(max(ans,ans2))
### BUGGY CODE ###

ii = lambda : int(input())
mi = lambda : map(int,input().split())
li = lambda : list(map(int,input().split()))

n = ii()
a = li()
ans = 1
for i in range(len(a)):
    ans *= a[i]

if ans > 10**18:
    print(-1)
else:
    print(ans)

### FIXED CODE ###

ii = lambda : int(input())
mi = lambda : map(int,input().split())
li = lambda : list(map(int,input().split()))

bb = 10**18

def main():
    n = ii()
    a = li()
    ans = 1

    if 0 in a:
        print(0)
        return

    for i in range(len(a)):
        ans *= a[i]
        if ans > bb:
            print(-1)
            break
    else:
        print(ans)

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

import numpy as np

N, S = map(int, input().split())
A = np.int32(input().split())
M = 998244353

dp = np.zeros((N, max(S, A.max()) + 1), dtype=np.int64)
for i, a in enumerate(A):
    dp[i, a] = i + 1
    for s in range(a + 1, S + 1):
        dp[i, s] = dp[:i, s - a].sum() % M

ans = 0
for i in range(N):
    ans += (N - i) * dp[i, S]
    ans = ans % M
print(ans)


### FIXED CODE ###

from sys import stdin

N, S = map(int, stdin.readline().split())
A = list(map(int,stdin.readline().split()))
M = 998244353
V = max(max(A), S)

ans = 0
cs = [0 for _ in range(V + 1)]
for i, a in enumerate(A):
    dp = [0 for _ in range(V + 1)]
    dp[a] = i + 1
    for s in range(a + 1, S + 1):
        dp[s] = cs[s - a]
    cs = [(a + b) % M for a, b in zip(cs, dp)]
    ans = (ans + (N - i) * dp[S]) % M
print(ans)
### BUGGY CODE ###

import bisect
import heapq
import sys
import itertools
import queue


input = sys.stdin.readline
sys.setrecursionlimit(100000)
mod = 10 ** 9 + 7


class V:
    def __init__(self, f):
        self.f = f
        self.v = None

    def __str__(self):
        return str(self.v)

    def ud(self, n):
        if self.v is None:
            self.v = n
        else:
            self.v = self.f(self.v, n)

    def get(self):
        return self.v


def read_values():
    return map(int, input().split())


def read_list():
    return list(read_values())


def P(N):
    D = []
    for n in range(1, int(N ** 0.5) + 1):
        D.append(n)
        if N // n != n:
            D.append(N // n)
    D.sort()
    return D


def main():
    N, K = read_values()
    D = P(N)
    C = [D[i] - D[i - 1] if i != 0 else D[i] for i, d in enumerate(D)]
    dp = {}
    SS = [[0] + D] + [[0] * (len(D) + 1) for k in range(K - 1)]

    for k in range(1, K):
        for i, d in enumerate(D):
            j = bisect.bisect_left(D, N // d)
            dp[d] = (SS[k - 1][j + 1] * C[i]) % mod
            SS[k][i + 1] = (SS[k][i] + dp[d]) % mod
    print(sum(dp.values()) % mod)


if __name__ == "__main__":
    main()


### FIXED CODE ###

import bisect
import heapq
import sys
import itertools
import queue


input = sys.stdin.readline
sys.setrecursionlimit(100000)
mod = 10 ** 9 + 7


class V:
    def __init__(self, f):
        self.f = f
        self.v = None

    def __str__(self):
        return str(self.v)

    def ud(self, n):
        if self.v is None:
            self.v = n
        else:
            self.v = self.f(self.v, n)

    def get(self):
        return self.v


def read_values():
    return map(int, input().split())


def read_list():
    return list(read_values())


def P(N):
    D = []
    for n in range(1, int(N ** 0.5) + 1):
        D.append(n)
        if N // n != n:
            D.append(N // n)
    D.sort()
    return D


def main():
    N, K = read_values()
    D = P(N)
    C = [(D[i] - D[i - 1]) % mod if i != 0 else D[i] for i, d in enumerate(D)]
    dp = [0] * len(D)
    S = [D] + [[0] * len(D) for k in range(K - 1)]
    I = [bisect.bisect_left(D, N // d) for d in D]

    for k in range(1, K):
        for i in range(len(D)):
            j = I[i]
            dp[i] = (S[k - 1][j] * C[i]) % mod
            S[k][i] = (S[k][i - 1] + dp[i]) % mod
    print(S[-1][-1] % mod)


if __name__ == "__main__":
    main()