Harryxun/stf_run huggingface dataset:
from decimal import Decimal

N = Decimal(input())
t = N // 2
a_list = []
b_list = []
for i in range(N):
    ab = list(map(int, input().split()))
    a_list.append(ab[0])
    b_list.append(ab[1])

if N%2 == 1:
    a_median = a_list[t]
    b_median = b_list[t]
    print(b_median-a_median+1)
elif N%2 == 0:
    a_median = (a_list[t-1]+a_list[t])/2
    b_median = (b_list[t-1]+b_list[t])/2
    print(int(2*(b_median-a_median)+1))

### FIXED CODE ###

N = int(input())
t = N // 2
a_list = []
b_list = []
for i in range(N):
    ab = list(map(int, input().split()))
    a_list.append(ab[0])
    b_list.append(ab[1])

a_list = sorted(a_list)
b_list = sorted(b_list)

if N%2 == 1:
    a_median = a_list[t]
    b_median = b_list[t]
    print(b_median-a_median+1)
elif N%2 == 0:
    a_median = (a_list[t-1]+a_list[t])/2
    b_median = (b_list[t-1]+b_list[t])/2
    print(int(2*(b_median-a_median)+1))
def main():
    N = int(input())
    P_list = list(map(int,input().split()))
    i_num = 0
    min_P = P_list[0]
    for p in P_list:
        if p <= min_P:
            min_P = p
            i_num += 1
    print(i_num)

if __name__ == __main__:
    main()

### FIXED CODE ###

N = int(input())
P_list = list(map(int,input().split()))
i_num = 0
min_P = P_list[0]
for p in P_list:
    if p <= min_P:
        min_P = p
        i_num += 1
print(i_num)
import math
X = int(input())
if ( x < 7):
    print(1)
elif (x < 12):
    print(3)
else:
    print(math.ceil((X / 11) * 2))


### FIXED CODE ###

import math
X = int(input())
b = math.floor((X / 11))*2
if((X % 11) > 0 and (X % 11) < 7):
    print(b + 1)
elif((X % 11) > 0 and X % 11 < 11):
    print(b + 2)
else:
    print(b)
A, B = map(int, input(),split())
if A == 1:
    A = 14
elif B == 1:
    B = 14
if A > B:
    print("Alice")
elif A < B:
    print("Bob")
else:
    print("Draw")

### FIXED CODE ###

A, B = map(int, input().split())
if A == 1:
    A = 14
if B == 1:
    B = 14
if A > B:
    print("Alice")
elif A < B:
    print("Bob")
else:
    print("Draw")
l = list(range(10001))
l = list(map(str, l))
c = 0
N, K = map(int, input().split())
ld = list(map(str, input().split()))
del l[:N]
while True:
    if any(x in l[c] for x in ld):
        c += 1
    else:
        break
print(int(l[c]))

### FIXED CODE ###

c = 0
f = True
N, K = map(int, input().split())
ld = list(map(str, input().split()))
while f:
    i = 0
    N_str = str(N)
    for i in range(K):
        # print(i)
        if ld[i] in N_str:
            N += 1
            break
        elif i == K-1:
            f = False
print(N)
N = int(input())
B = list(map(int,input().split()))
ins = 0
count = 0
for i in range(N):
  if i == 0:
    count += B[i]
  if i > 0 and B[i-1] > B[i]:
    count += B[i]
  elif i > 0 and B[i-1] <= B[i]:
    count += B[i-1]
print(count)

### FIXED CODE ###

N = int(input())
B = list(map(int,input().split()))
ins = 0
count = 0
for i in range(N-1):
  if i == 0:
    count += B[i]
  if i > 0 and B[i-1] > B[i]:
    count += B[i]
  elif i > 0 and B[i-1] <= B[i]:
    count += B[i-1]
count += B[i]
print(count)
n = int(input())
    b = False
    i=1
    while i<=9:
        j=1
        while j<=9:
            if j*i==n:
                print('Yes')
                b = True
                break
            if j*i>n:
                break
            j+=1
        i+=1
    if b==False:
        print('No')

### FIXED CODE ###

A, B = input().split(" ")
A = int(A)
B = int(B)
if A>=1 and A<=9 and B>=1 and B<=9:
    r = A*B
    print(r)
else:
    print(-1)
x,n  = map(int,input().split())
if(n==0):
    print(x)
    return

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

l = list(range(min(p),max(p)+1))

rl =  set(l) - set(p)
m = max(p)
for i in  rl:
    
    if(abs(i-x) < m):
        m = abs(i-x)
        ans = i

print(ans)

### FIXED CODE ###

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

Q = [q for q in range(-1, 102) if q not in P]  # -1以上101以下整数のうちPに存在しないもの
ans = min(Q, key=lambda q: (abs(q - X), q))  # maspyさん解法
print(ans)
N, A = map(int, raw_input().split())
a = sorted(map(lambda x:int(x)-A, raw_input().split()))
mem = {}

def rec(p, acm):
    if (p, acm) in mem:
        return mem[(p, acm)]
    if p >= N:
        return 0
    if a[p] > 0 and acm > 0:
        return 0
    mem[(p, acm)] = rec(p+1, acm+a[p]) + rec(p+1, acm)
    if acm+a[p] == 0:
        mem[(p, acm)] += 1
    return mem[(p, acm)]

print rec(0, 0)


### FIXED CODE ###

n, k, x, y = [input() for _ in range(4)]
print x * min(n, k) + y * max(n-k, 0)
h,w=map(int,input().split())
s=[input() for _ in range(n)]
dy=[0,0,1,-1]
dx=[1,-1,0,0]
def dfs(y,x):
    global check
    global was
    was[y][x]=1
    if s[y][x]=="#":
        check[0]+=1
    else:
        check[1]+=1
    for k in range(4):
        nx=x+dx[k]
        ny=y+dy[k]
        if nx >= 0 and ny >= 0 and nx < w and ny < h and s[ny][nx] != s[y][x] and not was[ny][nx]:
            dfs(ny,nx) 
ans=0
was=[[0 for _ in range(w)] for _ in range(h)]
for i in range(w):
    for j in range(h):
        if not was[j][i]:
            check=[0,0]
            dfs(j,i)
            ans+=check[0]*check[1]
print(ans)

### FIXED CODE ###

H,W=map(int,input().split())
S=[input() for i in range(H)]
visit=[[False]*W for i in range(H)]
par=[[None]*W for i in range(H)]
dd={}
X=[-1,0,1,0]
Y=[0,-1,0,1]
for j in range(H):
    for i in range(W):
        if visit[j][i]:
            continue
        if S[j][i]=='.':
            continue
        lH=[]
        lH.append((j,i,0))#0が黒
        par[j][i]=(i,j)
        num=0
        while lH:
            y,x,t=lH.pop()
            visit[y][x]=True
            for k in range(4):
                nx=x+X[k]
                ny=y+Y[k]
                if 0<=nx<W and 0<=ny<H:
                    if visit[ny][nx]:
                        continue
                    if t==0 and S[ny][nx]=='.':
                        visit[ny][nx]=True
                        num+=1
                        lH.append((ny,nx,1))
                    elif t==1 and S[ny][nx]=='#':
                        visit[ny][nx] = True
                        par[ny][nx]=(i,j)
                        lH.append((ny,nx,0))
        dd[(i,j)]=num
ans=0
for j in range(H):
    for i in range(W):
        if S[j][i]=='#':
            x,y=par[j][i]
            ans+=dd[(x,y)]
print(ans)
N,M = map(int, input().split())
A = list(map(int, input().split()))

th = sum(A)*0.25/M

A.sort(reverse=True)

if A[M] >= th:
    print('Yes')
else:
    print('No')

### FIXED CODE ###

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

th = sum(A)*0.25/M

A.sort(reverse=True)

if A[M-1] >= th:
    print('Yes')
else:
    print('No')
T = str(input()).upper()
for i in T:
    if i == 'P' or 'D' and i== '?':
        if i + 'D':
            print(T.replace('?','P'))
        else:
            print(T.replace('?','D'))
    else:
        break


### FIXED CODE ###

print(input().replace('?', 'D'))
N = int(input())

edges = [{} for i in range(N)]
colors = [0 for i in range(N)]

def dfs(s, dist):
    for key, val in edges[s].items():
        d = dist + val
        if d % 2 == 0:
            colors[key] = 0 
        else :
            colors[key] = 1
        
        del edges[key][s]
        dfs(key, d)
    return

for i in range(N-1):
    u, v, w = map(int, input().split())
    u -= 1; v -= 1
    edges[u][v] = w
    edges[v][u] = w

dfs(0, 0)
for color in colors:
    print(color)



### FIXED CODE ###

import sys
sys.setrecursionlimit(1000000)

N = int(input())

edges = [{} for i in range(N)]
colors = [0 for i in range(N)]

def dfs(s, dist):

    for key, val in edges[s].items():
        d = dist + val
        if d % 2 == 0:
            colors[key] = 0 
        else :
            colors[key] = 1
        
        if s in edges[key]:
            del edges[key][s]

        dfs(key, d)

    return

for i in range(N-1):
    u, v, w = map(int, input().split())
    u -= 1
    v -= 1
    edges[u][v] = w
    edges[v][u] = w

dfs(0, 0)

for color in colors:
    print(color)
#!/usr/bin/env python3
import sys

YES = "Yes"  # type: str
NO = "No"  # type: str


def solve(H: int, W: int, s: "List[str]"):

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

    for i in range(H):
        for j in range(W):
            if(s[i][j] == '#'):
                f = False
                for k in range(4):
                    iy = i+dy[k]
                    ix = j+dx[k]
                    if(0 <= iy < H and 0 <= ix < W and s[iy][ix] == '#'):
                        f = True
                if(not f):
                    print(NO)
                    exit()
                
    print(YES)

    return


# Generated by 1.1.5 https://github.com/kyuridenamida/atcoder-tools  (tips: You use the default template now. You can remove this line by using your custom template)
def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()
    H = int(next(tokens))  # type: int
    W = int(next(tokens))  # type: int
    s = [next(tokens) for _ in range(W)]  # type: "List[str]"
    solve(H, W, s)

if __name__ == '__main__':
    main()


### FIXED CODE ###

#!/usr/bin/env python3
import sys

YES = "Yes"  # type: str
NO = "No"  # type: str


def solve(H: int, W: int, s: "List[str]"):

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

    for i in range(H):
        for j in range(W):
            if(s[i][j] == '#'):
                f = False
                for k in range(4):
                    iy = i+dy[k]
                    ix = j+dx[k]
                    if(0 <= iy < H and 0 <= ix < W and s[iy][ix] == '#'):
                        f = True
                if(f == False):
                    print(NO)
                    exit()
                
    print(YES)

    return


# Generated by 1.1.5 https://github.com/kyuridenamida/atcoder-tools  (tips: You use the default template now. You can remove this line by using your custom template)
def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()
    H = int(next(tokens))  # type: int
    W = int(next(tokens))  # type: int
    s = [next(tokens) for _ in range(H)]  # type: "List[str]"
    solve(H, W, s)

if __name__ == '__main__':
    main()
n, a, b = map(int, input().split(' '))
l = []
while len(l) < n:
    l += list(('b' * a) + ('r' * b))
print(l[0:n].count('b'))


### FIXED CODE ###

n, a, b = map(int, input().split(' '))
blue = a * int(n / (a + b))
if a <= n % (a + b):
    print(blue + a)
else:
    print(blue + n % (a + b))
n = int(input())
lst = map(int,input().split())
ans = 0
for i in range(n):
    for j in range(1,n):
        ans = ans + lst[i]*lst[j]

print(ans)

### FIXED CODE ###

n = int(input())
lst = list(map(int,input().split()))
ans = 0
for i in range(n):
    for j in range(i+1,n):
        ans = ans + lst[i]*lst[j]

print(ans)
import math

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

print(math.ceil(a[0]/a[1]) * a[3])

### FIXED CODE ###

import math

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

print(math.ceil(a[0] / a[1]) * a[2])
n,m,k=map(int,input().split())
par=[]
rank=[]
friends=[]
anti=[]
friend=[]
for i in range(n):
    par.append(i)
    rank.append(0)
    friends.append(set())
    anti.append(set())
    friends.append(set())
# this par & rank are initialized lists
def find_par(x):
    global par
    if par[x]==x:
        return x
    else:
        par[x]= find_par(par[x])
        return par[x]
def unite(x,y):
    x,y=find_par(x),find_par(y)
    global rank,par
    if x==y:return
    if rank[x]<rank[y]:
        par[x]=y
    else:
        par[y]=x
        if rank[x]==rank[y]:
            rank[x]+=1

for i in range(m):
    a,s=map(int,input().split())
    a-=1;s-=1
    unite(a,s)
    friend[a].add(s)
    friend[s].add(a)
for i in range(k):
    a,b=map(int,input().split())
    a-=1;b-=1
    anti[a].add(b)
    anti[b].add(a)
for i in range(n):
    find_par(i)
    friends[par[i]].add(i)
for i in range(n):
    print(len(friends[par[i]]-anti[i]-friend[i]-set([i])))

### FIXED CODE ###

n,m,k=map(int,input().split())
par=[-1]*n

# this par & rank are initialized lists
def find(x):
    global par
    if par[x]<0:
        return x
    else:
        par[x]=find(par[x])
        return par[x]
        
def unite(x,y):
    x,y=find(x),find(y)
    global par
    if x==y:return False
    else:
        if par[x]>par[y]:x,y=y,x
        par[x]+=par[y]
        par[y]=x
        return True

def size(x):
    return -par[find(x)]
def same(x,y):
    return find(x)==find(y)
from sys import stdin 
input=stdin.readline
friend=[0]*n
for i in range(m):
    a,s=map(int,input().split())
    a-=1;s-=1
    unite(a,s)
    friend[a]+=1
    friend[s]+=1
anti=[set() for i in range(n)]
for i in range(k):
    a,b=map(int,input().split())
    a-=1;b-=1
    anti[a].add(b)
    anti[b].add(a)

print(*[size(i)-1-sum(same(i,b) for b in anti[i])-friend[i] for i in range(n)],sep=" ")
S = input()
N = len(S)
amari = [0 fot i in range(2019)]
for i in range(N):
	amari[int(S[i : N]) % 2019] += 1
ans = amari[0]
for i in amari:
    if i > 1:
	       ans += i * (i - 1) // 2
print(ans)


### FIXED CODE ###

S = input()[::-1]
N = len(S)
amari = [0 for i in range(2019)]
before = int(S[0])
amari[before] += 1
S = S[1::]
keta = 1
for i in S:
    i = int(i)
    keta = (keta * 10) % 2019
    x = (keta * i + before) % 2019
    amari[x] += 1
    before = x
ans = amari[0]
for i in amari:
    ans += i * (i - 1) // 2
print(ans)
S = input()

li = [chr(i) for i in range(ord("a"), ord("z") + 1)]

for i in range(len(S)):
  if S[i] in li:
    li.remove(S[i])
print (li[0])

### FIXED CODE ###

S = input()

li = [chr(i) for i in range(ord("a"), ord("z") + 1)]

for i in range(len(S)):
  if S[i] in li:
    li.remove(S[i])
print (li[0] if len(li) != 0 else "None")
n, k = map(int, input().split())
dt = sorted(tuple(map(int, input().split()))[::-1] for _ in range(n))[::-1]
r = v = 0
a = []
s = set()
for i, (d,t) in enumerate(dt, 1):
    if t in s:
        if i <= k:
            a.append(d)
            v += d
    else:
        if i > k:
            v -= a.pop()
        v += d
        s.add(t)
    r = max(r, len(s)**2+v)
print(r)

### FIXED CODE ###

from collections import *
n, k = map(int, input().split())
d, t = zip(*sorted(tuple(map(int, input().split()))[::-1] for _ in range(n))[::-1])
c = Counter(t[:k])
x = len(c)
a = [sum(d[:k])]
for i in range(k)[::-1]:
    if c[t[i]] > 1:
        c[t[i]] -= 1
        a.append(a[-1] - d[i])
b = [0]
for i in range(k, n):
    if c[t[i]] <= 0:
        c[t[i]] += 1
        b.append(b[-1] + d[i])
r = 0
for i, (v, w) in enumerate(zip(a, b)):
    r = max(r, v+w+(x+i)**2)
print(r)
def main():
    N = int(input())
    A = list(map(int, input().split()))
    end = len(A)
    judge = 0
    ans = 0
    i = 0

    while True:
        if A[i] < A[i+1]:
            ans += 1
            while True:
                i += 1
                if i == end-1:
                    return ans
                elif A[i] <= A[i+1]:
                    continue
                else:
                    i += 1
                    if i == end-1:
                        ans += 1
                        return ans
                    else:
                        break

        elif A[i] > A[i+1]:
            ans += 1
            while True:
                i = i+1
                if i == end-1:
                    return ans
                elif A[i] >= A[i+1]:
                    continue
                else:
                    i += 1
                    if i == end-1:
                        ans += 1
                        return ans
                    else:
                        break

        elif A[i] == A[i+1]:
            i += 1
            if i == end-1:
                ans += 1
                return ans
            else:
                continue

print(main())


### FIXED CODE ###

def main():
    N = int(input())
    A = list(map(int, input().split()))
    end = len(A)
    judge = 0
    ans = 0
    i = 0

    if end == 1:
        return 1

    while True:
        if A[i] < A[i+1]:
            ans += 1
            while True:
                i += 1
                if i == end-1:
                    return ans
                elif A[i] <= A[i+1]:
                    continue
                else:
                    i += 1
                    if i == end-1:
                        ans += 1
                        return ans
                    else:
                        break

        elif A[i] > A[i+1]:
            ans += 1
            while True:
                i = i+1
                if i == end-1:
                    return ans
                elif A[i] >= A[i+1]:
                    continue
                else:
                    i += 1
                    if i == end-1:
                        ans += 1
                        return ans
                    else:
                        break

        elif A[i] == A[i+1]:
            i += 1
            if i == end-1:
                ans += 1
                return ans
            else:
                continue

print(main())
h, w = map(int, input().split())
s = [list('.'*(w+2))]
for i in range(h):
    s.append(list('.' + input() + '.'))
s.append(list('.'*(w+2)))

def search(y, x):
    t = 0
    for i in [[0, 1], [0, -1], [1, 0], [-1, 0]]:
        dy, dx = y + i[0], x + i[1]
        if s[dy][dx] == '#':
            t += 1
    if t > 0:
        return True
    else:
        return False


for i in range(w):
    for j in range(h):
        if s[i+1][j+1] == '#' and not search(i+1, j+1):
            print('No')
            quit()
print('Yes')

### FIXED CODE ###

h, w = map(int, input().split())
s = [list('.'*(w+2))]
for i in range(h):
    s.append(list('.' + input() + '.'))
s.append(list('.'*(w+2)))

def search(y, x):
    t = 0
    for i in [[0, 1], [0, -1], [1, 0], [-1, 0]]:
        dy, dx = y + i[0], x + i[1]
        if s[dy][dx] == '#':
            t += 1
    if t > 0:
        return True
    else:
        return False


for i in range(w):
    for j in range(h):
        if s[j+1][i+1] == '#' and not search(j+1, i+1):
            print('No')
            quit()
print('Yes')
R = int(input(())
B = int(input())
print(2 * B - R)

### FIXED CODE ###

R = int(input())
B = int(input())
print(2 * B - R)
import copy

def main():
    def gcd(a, b):
        if b == 0:
            return a
        else:
            return gcd(b, a%b)

    def lcm(a, b):
        return int(a / gcd(a, b)) * b
    
    n, m = map(int, input().split())
    A = set([int(x) for x in input().split()])
    A_ = copy.deepcopy(A)
    a_lcm = A.pop()
    # Aにまだ値が残っていれば
    if len(A) >= 1:
        for a in A:
            a_lcm = lcm(a_lcm, a)
    # 元のAの値とlcmの半分の値に一致するものがあったら終了
    for i in A_:
        if a_lcm / 2 % i != 0:
            continue
        else:
            print(0)
            exit()
    if a_lcm / 2 > m:
        print(0)     
    else:
        ans = int((m - (a_lcm / 2))) // a_lcm + 1
        print(ans)

if __name__ == '__main__':
    main()

### FIXED CODE ###

import copy
# from math import gcd


def gcd(a, b):
    if b == 0:
        return a
    else:
        return gcd(b, a%b)

def lcm(a, b):
    return (a // gcd(a, b)) * b
def main():
    n, m = map(int, input().split())
    A = set([int(x) for x in input().split()])
    a_lcm = 1
    for a in A:
        a_lcm = lcm(a_lcm, a)
        # mがlcmの半分よりも小さかったら0
        if (a_lcm / 2) > m:
            print(0)
            exit()
    for a in A:
        if (a_lcm / 2) % a == 0:
            print(0)
            exit()
    # # あとは定数倍の数調べて終わり
    ans = int((m - (a_lcm / 2)) // a_lcm) + 1
    print(ans)

if __name__ == '__main__':
    main()
n = int(input())
h = [int(n) for n in input().split()]

a = 0
b = 1
ans = 1

for i in range(n.length-1):
    if n[a]<n[b]:
        ans += 1
    a += 1
    b += 1
print(ans)

### FIXED CODE ###

n = int(input())
h = [int(n) for n in input().split()]

max = h[0]
ans = 0

for i in h:
    if max<=i:
        ans += 1
        max = i
print(ans)
N = int(input())
X = list(map(int, input().split()))

for p in range(1, max(X)+1):
    x_sum=0
    for x in X:
        x_sum+=(x-p)**2
    ans = min(ans, x_sum)
print(ans)

### FIXED CODE ###

N = int(input())
X = list(map(int, input().split()))
ans = float("inf")
for p in range(1, max(X)+1):
    x_sum=0
    for x in X:
        x_sum+=(x-p)**2
    ans = min(ans, x_sum)
print(ans)
AB = list(map(str, input().split()))
A = int(AB[0])
B = int(AB[1][0])*1000 + int(AB[1][1])*100 + int(AB[1][2])*10 + int(AB[1][3])

result = int((A * B) / 100)
print(result)

### FIXED CODE ###

from decimal import Decimal


AB = list(map(Decimal, input().split()))

result = int((AB[0] * AB[1]))
print(result)
# coding: utf-8

from itertools import accumulate as accum
import sys
input = sys.stdin.readline

def f(N, s):
    MOD = int(1e9 + 7)
    dp = [[0] * N for _ in range(N)]
    for j in range(N):
        dp[0][j] = 1
    for i in range(1, N):
        dpi = dp[i]
        # csum: Cumulative sum
        # csum[x] = dp[i-1][0] + dp[i-1][1] + ... + dp[i-1][x]
        csum = list(accum(dp[i - 1], lambda x, y: (x + y) % MOD))
        csum_ = csum[N - i]
        for j in range(N - i):  # N-(i+1)+1 = N-i
            if s[i - 1] == "<":
                dpi[j] = (dpi[j] + csum_ - csum[j]) % MOD
            else: #s[i-1] == ">"
                dpi[j] = (dpi[j] + csum[j]) % MOD
    return(dp[-1][0])

N = int(input()) # 2 <= N <= 30000
s = input().rstrip() # len(s) = N - 1
print(f(N, s))


### FIXED CODE ###

# coding: utf-8

import sys
input = sys.stdin.readline

def f2(N, s):
    MOD = int(1e9 + 7)
    dp = [1] * N
    for i in range(1, N):
        csum = list(dp)
        for j in range(1, N - i + 1):
            csum[j] += csum[j - 1]
        csum_ = csum[N - i]
        i_ = i - 1
        for j in range(N - i):  # N-(i+1)+1 = N-i
            dp[j] = csum[j] if s[i_] == ">" else (csum_ - csum[j] + MOD) % MOD
    return(dp[0])

N = int(input()) # 2 <= N <= 30000
s = input().rstrip() # len(s) = N - 1
print(f2(N, s))
N = int(input())
S ="MARCH"
S2 = [0]*len(S)
n=0

for i in range(N):
    s = input()
    for k, j in enumerate(S1):
        if s[0] == j:
            S2[k]+=1
            
for i in range(len(S2)):
    for j in range(i+1,len(S2)):
        for k in range(j+1,len(S2)):
            n +=S2[i]*S2[j]*S2[k]
    
print(n)

### FIXED CODE ###

N = int(input())
S ="MARCH"
S2 = [0]*len(S)
n=0

for i in range(N):
    s = input()
    for k, j in enumerate(S):
        if s[0] == j:
            S2[k]+=1
            
for i in range(len(S2)):
    for j in range(i+1,len(S2)):
        for k in range(j+1,len(S2)):
            n +=S2[i]*S2[j]*S2[k]
    
print(n)
h,w=map(int,input().split())
cnt=[0]*26
for i in range(h):
	a=input()
	for j in range(w):
		cnt[ord(a[j])-ord("a")]+=1
if h%2==1 and w%2==1:
	f=0
	for i in range(26):
		if cnt[i]%2==1:
			cnt[i]-=1
			break
	four=0
	for i in range(26):
		if cnt[i]>=4:
			four+=cnt[i]//4*4
		elif cnt[i]%2==1:
			f=-1
			break
	print(2/0)
	if four>=h*w-(h//2+w//2)*2-1 and f==0:
		f=1
	else:
		f=0
elif h%2==0 and w%2==0:
	f=1
	for i in range(26):
		if cnt[i]%4!=0:
			f=0
			break
else:
	if h%2==0:
		h,w=w,h
	four=0;f=0
	for i in range(26):
		if cnt[i]>=4:
			four+=cnt[i]//4*4
		elif cnt[i]%2==1:
			f=-1
			break
	if four>=h*w-w//2*2 and f==0:
		f=1
	else:
		f=0
print("Yes" if f else "No")

### FIXED CODE ###

h,w=map(int,input().split())
cnt=[0]*26
for i in range(h):
	a=input()
	for j in range(w):
		cnt[ord(a[j])-ord("a")]+=1
if h%2==1 and w%2==1:
	f=0
	for i in range(26):
		if cnt[i]%2==1:
			cnt[i]-=1
			break
	four=0
	for i in range(26):
		if cnt[i]>=4:
			four+=cnt[i]//4*4
		elif cnt[i]%2==1:
			f=-1
			break
	if four>=h*w-(h//2+w//2)*2-1 and f==0:
		f=1
	else:
		f=0
elif h%2==0 and w%2==0:
	f=1
	for i in range(26):
		if cnt[i]%4!=0:
			f=0
			break
else:
	if h%2==0:
		h,w=w,h
	two=0;f=0
	for i in range(26):
		if cnt[i]%4==2:
			two+=2
		elif cnt[i]%2==1:
			f=-1
			break
	if two<=w and f==0:
		f=1
	else:
		f=0
print("Yes" if f else "No")