qyliang/CodeNanoFix huggingface dataset:
Buggy code:
# Vicfred
# https://atcoder.jp/contests/abc044/tasks/abc044_b
# implementation
w = input()

english = {}

for ch in w:
    if ch in english:
        english[ch] += 1
    else:
        english[ch] = 1

beautiful = True
for value in english.values():
    if value%2 == 1:
        beautiful = False

if beautiful:
    print("YES")
else:
    print("NO")


Fixed code:
# Vicfred
# https://atcoder.jp/contests/abc044/tasks/abc044_b
# implementation
w = input()

english = {}

for ch in w:
    if ch in english:
        english[ch] += 1
    else:
        english[ch] = 1

beautiful = True
for value in english.values():
    if value%2 == 1:
        beautiful = False

if beautiful:
    print("Yes")
else:
    print("No")
Buggy code:
w = input()                    
l = list(w)                    
l.sort()                       
ans = "Yes"                    
if len(l)%2 != 0:
    print("No")
for i in range(int(len(l)/2)): 
    if l[2*i] != l[2*i+1]:     
        ans = "No"             
        break                  
print(ans)                     


Fixed code:
w = input()                    
l = list(w)                    
l.sort()                       
ans = "Yes"                    
if len(l)%2 != 0:
    print("No")
    exit()
for i in range(int(len(l)/2)): 
    if l[2*i] != l[2*i+1]:     
        ans = "No"             
        break                  
print(ans)
Buggy code:
w = input()

for i in range(len(w)):
    count = 0
    for j in range(len(w)):
        if w[i] == w[j]:
            count = count + 1
            print(count)
    if count%2 == 1:
        print('No')
        break
    #else:
    #    continue
if i == len(w):
    print('Yes')

Fixed code:
w = input()

if len(w)%2 == 1:
    print('No')
else:
    count = 0
    for i in range(len(w)):
        if w.count(w[i])%2 == 1:
            print('No')
            count = count + 1
            break
        else:
            continue
        #break
    if count == 0:
        print('Yes')
Buggy code:
flag=True
a=list(input())
a.sort
while len(a)>0 and flag:
    n=a.count(a[0])
    if n%2==0:
        a=a[n:]
    else:
        flag=False
if flag:
    print("Yes")
else:
    print("No")    

Fixed code:
flag=True
a=list(input())
a=sorted(a)
while len(a)>0 and flag:
    n=a.count(a[0])
    if n%2==0:
        a=a[n:]
    else:
        flag=False
if flag:
    print("Yes")
else:
    print("No")
Buggy code:
w = input()

f = True
for s in w:
  a = w.count(s)
  if a%2 != 0:
    f = Flase
    break
 
if f:
  print("Yes")
else:
  print("No")

Fixed code:
w = input()
 
f = True
for s in w:
	a = w.count(s)
	if a%2 != 0:
		f = False
		break
 
if f:
  print("Yes")
else:
  print("No")
Buggy code:
data = ['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z']
w = input()
if len(w) % 2 !=0:
    print('No')
else:
    for i in range(26):
        if w.count(data[i]) % 2 != 0:
            print('No')
            exit()
print('Yes')

Fixed code:
data = ['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z']
w = input()


for i in range(26):
        if w.count(data[i]) % 2 != 0:
            print('No')
            exit()
print('Yes')
Buggy code:
w = input()
wl = list(w)
wu = list(set(wl))
wu_len  = len(wu)
counter = 0
for wo in wu:
  if wl.count(wo) % 2 == 0:
    counter+=1
  else:
    print("No")
    break
if counter == int(wu_len):
  print("Yes")
else:
  print("No")

Fixed code:
w = input()
wl = list(w)
wu = list(set(wl))
wu_len  = len(wu)
counter = 0
for wo in wu:
  if wl.count(wo) % 2 == 0:
    counter+=1
  else:
    break
if counter == int(wu_len):
  print("Yes")
else:
  print("No")
Buggy code:
word = input()

flag = True
if len(word)%2 == 1:
    flag = False

wordset = set(word)
leng = len(wordset)
for s in wordset:
    if word.count(s)％2 == 1:
        flag = False
        break
if flag:print("Yes")
else: print("No")


Fixed code:
word = input()

flag = True
if len(word)%2 == 1:
    flag = False

wordset = set(word)
leng = len(wordset)
for s in wordset:
    if word.count(s)%2 == 1:
        flag = False
        break
if flag:print("Yes")
else: print("No")
Buggy code:
w = input()
cs = set(w)
print(cs)
ans = 'Yes'
for c in cs:
    if w.count(c)%2 != 0:
        ans = 'No'
        break
print(ans)

Fixed code:
w = input()
cs = set(w)
ans = 'Yes'
for c in cs:
    if w.count(c)%2 != 0:
        ans = 'No'
        break
print(ans)
Buggy code:
w = input()

for i in range(ord('a'),ord('z')+1):
  if w.count(chr(i))%2==1:
    print('No')
    break()
else: print('Yes')


Fixed code:
w = input()
 
for i in range(ord('a'),ord('z')+1):
  if w.count(chr(i))%2==1:
    print('No')
    break
else: print('Yes')
Buggy code:
import sys
W = input()
alpha = ["a","b","c","d","e","f","g","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"]
for num in alpha:
    if W.count(num) %2 != 0:
        print("No")
        sys.exit()
print("yes")
        


Fixed code:
import sys
W = input()
alpha = ["a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"]
for num in alpha:
    if W.count(num) %2 != 0:
        print("No")
        sys.exit()
print("Yes")
Buggy code:
w = input()
mp = dict()

for c in w:
    if c in mp:
        mp[c] += 1
    else:
        mp[c] = 1

print(mp)

def check(w):
    c = "Yes"
    for i in w:
        if i % 2 == 0:
            continue
        else:
            c = "No"
            break
    return c

print(check(mp.values()))

Fixed code:
w = input()
mp = dict()

for c in w:
    if c in mp:
        mp[c] += 1
    else:
        mp[c] = 1

def check(w):
    c = "Yes"
    for i in w:
        if i % 2 == 0:
            continue
        else:
            c = "No"
            break
    return c

print(check(mp.values()))
Buggy code:
a = input()
b = 0
for i in len(a):
  if a.count(a[i])%2!=0:
    print("No")
    b = 1
    break
if b==0:
  print("Yes")
  
    

Fixed code:
a = input()
b = 0
for i in range(len(a)):
  if a.count(a[i])%2!=0:
    print("No")
    b = 1
    break
if b==0:
  print("Yes")
Buggy code:
a = input()
al = 'abcdefghijklmnopqrstuvwxyz'
for a in range(26):
  if a.count(al[i]) % 2 != 0:
    print('No')
    exit()
print('Yes')

Fixed code:
a = str(input())
al = 'abcdefghijklmnopqrstuvwxyz'
for i in range(26):
  if a.count(al[i]) % 2 != 0:
    print('No')
    exit()
print('Yes')
Buggy code:
from collections import Counter
s=input()
c=Counter(s)
flag=0
a=c.values()
for i in range(len(a)):
  if a[i]%2==1:
    flag=1
    break
if flag==0:
  print("Yes")
else:
  print("No")


Fixed code:
from collections import Counter
s=input()
c=Counter(s)
flag=0
a=list(c.values())
for i in range(len(a)):
  if a[i]%2==1:
    flag=1
    break
if flag==0:
  print("Yes")
else:
  print("No")
Buggy code:
w = list(input())
ans= "Yes"
for i in w:
    if w.count(i) != 2:
        ans = "No"
print(ans)

Fixed code:
w = list(input())
ans= "Yes"
for i in w:
    if w.count(i) % 2 != 0:
        ans = "No"
print(ans)
Buggy code:
w = input()
while len(w) > 0:
    a = w[0]
    if w.count(a)%2 != 0:
        print("No")
        exit()
    w = w.replace(a,"")
    print(w)
print("Yes")


Fixed code:
w = input()
while len(w) > 0:
    a = w[0]
    if w.count(a)%2 != 0:
        print("No")
        exit()
    w = w.replace(a,"")
print("Yes")
Buggy code:
#ABC044

import collections

w = input()

a = list(collections.Counter(w).values())
b = [a[i] for i in range(len(a)) if int(a[i]) % 2 == 0]

print(a,b)
if len(a) == len(b):
    print("Yes")
else:
    print("No")



Fixed code:
#ABC044

import collections

w = input()

a = list(collections.Counter(w).values())
b = [a[i] for i in range(len(a)) if int(a[i]) % 2 == 0]


if len(a) == len(b):
    print("Yes")
else:
    print("No")
Buggy code:
from collections import Counter

word = input()
c = Counter(word)
counts = c.values()
if all(map(lambda x: x % 2 == 0, counts)) print('Yes') else print('No')

Fixed code:
from collections import Counter

word = input()
c = Counter(word)
counts = c.values()
print('Yes') if all(map(lambda x: x % 2 == 0, counts)) else print('No')
Buggy code:
w = sorted(input())
if len(w)%2 == 1:
  print("No")
for i in range(len(w)//2)[::2]:
  if w[i] != w[i+1]:
    print("No")
    exit()
print("Yes")

Fixed code:
w = sorted(input())
if len(w)%2 == 1:
  print("No")
  exit()
for i in range(len(w)//2)[::2]:
  if w[i] != w[i+1]:
    print("No")
    exit()
print("Yes")
Buggy code:
a = defaultdict(int)
for w in input():
  a[w] += 1
print('Yes' if sum(c % 2 for c in a.values()) == 0 else 'No')


Fixed code:
from collections import defaultdict

a = defaultdict(int)
for w in input():
  a[w] += 1
print('Yes' if sum(c % 2 for c in a.values()) == 0 else 'No')
Buggy code:
w=input()
for ch in w:
  if w.count(w)%2!=0:
    print("No")
    exit()
print("Yes")

Fixed code:
w=input()
for ch in w:
  if w.count(ch)%2!=0:
    print("No")
    exit()
print("Yes")
Buggy code:
a = list(input())
b = list(set(a))
c = 1

for i in range(len(b)):
  if a.count(b[i]) % 2 !=0:
    print("No")
    break
    
print("Yes")

Fixed code:
a = list(input())
b = list(set(a))

for i in range(len(b)):
  if a.count(b[i]) % 2 != 0:
    print("No")
    break
else:
  print("Yes")
Buggy code:
s=input()
d={}
for i in s:
  d.get(i,0)+=1
for i in set(s):
  if i%2==1:
    print("No")
    break
else:
  print("Yes")

Fixed code:
s=input()
d={}
for i in s:
  d[i]=d.get(i,0)+1
for i in set(s):
  if d[i]%2==1:
    print("No")
    break
else:
  print("Yes")
Buggy code:
S = input()

n = S.count('N')
s = S.count('S')
w = S.count('W')
e = S.count('E')
a = 0

if n > 0:
    a += 1
elif s > 0:
    a -= 1
elif w > 0:
    a += 2
elif e > 0:
    a -= 2

if a == 0:
    print("Yes")
else:
    print("No")


Fixed code:
S = input()

n = S.count('N')
s = S.count('S')
w = S.count('W')
e = S.count('E')
a = 0

if n > 0:
    a += 1
if s > 0:
    a -= 1
if w > 0:
    a += 2
if e > 0:
    a -= 2

if a == 0:
    print("Yes")
else:
    print("No")
Buggy code:
li = list(map(str, input()))
x=0
y=0

for i in range(len(li)):
  if li[i]=='N':
    x=x+1
  elif li[i]=='S':
    x=x-1
  elif li[i]=='E':
    y=y+1
  elif li[i]=='W':
    y=y-1

if x==0 and y==0:
  print('Yes')
else:
  print('No')

Fixed code:
li = list(map(str, input()))
x=0
y=0

if 'N' in li and 'S' in li and not 'E' in li and not 'W' in li:
  print('Yes')
  exit()
  
if 'E' in li and 'W' in li and not 'S' in li and not 'N' in li:
  print('Yes')
  exit()

for i in range(len(li)):
  if li[i]=='N':
    x=x+1
  elif li[i]=='S':
    x=x-1
  elif li[i]=='E':
    y=y+1
  elif li[i]=='W':
    y=y-1

if x==0 and y==0:
  print('Yes')
else:
  print('No')
Buggy code:
s = input()

ans1 = (("S" in s) and ("N" in s)) or (("S" not in s) & ("N" not in s))
ans2 = (("E" in s) and ("W" in s)) or (("E" not in s) & ("W" not in s)

print("Yes" if ans1 and ans2 else "No")

Fixed code:
s = input()

ans1 = (("S" in s) and ("N" in s)) or (("S" not in s) and ("N" not in s))
ans2 = (("E" in s) and ("W" in s)) or (("E" not in s) and ("W" not in s))

print("Yes" if ans1 and ans2 else "No")
Buggy code:
import sys
from collections import Counter

inint = lambda: int(sys.stdin.readline())
inintm = lambda: map(int, sys.stdin.readline().split())
inintl = lambda: list(inintm())
instrm = lambda: map(str, sys.stdin.readline().split())
instrl = lambda: list(instrm())

s = input()

if not ("N" in s and "S" in s):
    print("No")

if not ("E" in s and "W" in s):
    print("No")


Fixed code:
import sys
from collections import Counter

inint = lambda: int(sys.stdin.readline())
inintm = lambda: map(int, sys.stdin.readline().split())
inintl = lambda: list(inintm())
instrm = lambda: map(str, sys.stdin.readline().split())
instrl = lambda: list(instrm())

s = input()

if "N" in s and "S" in s and "E" in s and "W" in s:
    print("Yes")
    exit()

if ("N" in s and "S" in s) and ("E" not in s and "W" not in s):
    print("Yes")
    exit()

if ("E" in s and "W" in s) and ("N" not in s and "S" not in s):
    print("Yes")
    exit()

print("No")
Buggy code:
s=input()
ans=[0]*4
checK='NWSE'
for i in range(len(s)):
  for j in range(len(check)):
    if s[i]==check[j]:
      ans[j]+=1
if (ans[0]+ans[2])%2==0 and (ans[1]+ans[3])%2==0:
  print('Yes')
else:
  print('No')

Fixed code:
s=input()
ans=[0]*4
check='NWSE'
for i in range(len(s)):
  for j in range(len(check)):
    if s[i]==check[j]:
      ans[j]=1
if (ans[0]+ans[2])%2==0 and (ans[1]+ans[3])%2==0:
  print('Yes')
else:
  print('No')
Buggy code:
import sys
def rs(): return sys.stdin.readline().rstrip()
def ri(): return int(rs())
def rs_(): return [_ for _ in rs().split()]
def ri_(): return [int(_) for _ in rs().split()]

from collections import Counter
c = Counter(rs())
f = False
if c['N'] == 0 or c['S'] == 0:
    if c['N'] == 0 and c['S'] == 0:
        f = True
elif c['W'] == 0 or c['E'] == 0:
    if c['W'] == 0 and c['E'] == 0:
        f = True
else:
    f = True
print('Yes' if f else 'No')

Fixed code:
import sys
def rs(): return sys.stdin.readline().rstrip()
def ri(): return int(rs())
def rs_(): return [_ for _ in rs().split()]
def ri_(): return [int(_) for _ in rs().split()]

from collections import Counter
c = Counter(rs())
f = False
if (c['N'] > 0 and c['S'] > 0) or (c['N'] == 0 and c['S'] == 0):
    if (c['W'] > 0 and c['E'] > 0) or (c['W'] == 0 and c['E'] == 0):
        f = True
print('Yes' if f else 'No')
Buggy code:
s = input()
we = [0,0]
ns = [0,0]

for i in range(len(s)):
    if s[i] == ('N'):
        ns[0] == 1
    elif s[i] == ('W'):
        we[0] == 1
    elif s[i] == ('S'):
        ns[1] == 1
    else
        we[1] == 1

if sum(we) % 2 == 0 and sum(ns) % 2 == 0:
    print('Yes')
else:
    print('No')

Fixed code:
s = list(input())
we = [0,0]
ns = [0,0]

for i in range(len(s)):
    if s[i] == ('N'):
        ns[0] = 1
    elif s[i] == ('W'):
        we[0] = 1
    elif s[i] == ('S'):
        ns[1] = 1
    else:
        we[1] = 1

if sum(we) % 2 == 0 and sum(ns) % 2 == 0:
    print('Yes')
else:
    print('No')
Buggy code:
s = input()

n = 0
e = 0
w = 0
s = 0

for v in s:
    if v == 'N': n+=1
    if v == 'E': e+=1
    if v == 'W': w+=1
    if v == 'S': s+=1

if n == s and e == w:
    print('Yes')
else:
    print('No')

Fixed code:
S = input()

n = 0
e = 0
w = 0
s = 0

for v in S:
    if v == 'N': n+=1
    if v == 'E': e+=1
    if v == 'W': w+=1
    if v == 'S': s+=1
if ((0<n and 0<s) or (n==0 and s==0)) and ((0<e and 0<w) or (e==0 and w==0)):
    print('Yes')
else:
    print('No')
Buggy code:
S=set(x for x in input())
if len(S)==4:
  print('Yes')
elif lens(S)==2:
  if 'W' in S and 'E' in S:
    print('Yes')
  elif 'N' in S and 'S' in S:
    print('Yes')
  else:
    print('No')
else:
  print('No')  

Fixed code:
S=set(x for x in input())
if len(S)==4:
  print('Yes')
elif len(S)==2:
  if 'W' in S and 'E' in S:
    print('Yes')
  elif 'N' in S and 'S' in S:
    print('Yes')
  else:
    print('No')
else:
  print('No')
Buggy code:
t=input()
d={}
n=0
s=0
w=0
e=0
for i in range(int(len(s))):
    if t[i] =="N":
        n=1
    if t[i] =="S":
        s=1
    if t[i] =="E":
        e=1
    if t[i] =="W":
        w=1
if (w+e)%2==0 and (n+s)%2==0:
    print("Yes")
else:
    print("No") 

Fixed code:
t=input()
n=0
s=0
w=0
e=0
for i in range(int(len(t))):
    if t[i] =="N":
        n=1
    if t[i] =="S":
        s=1
    if t[i] =="E":
        e=1
    if t[i] =="W":
        w=1
if (w+e)%2==0 and (n+s)%2==0:
    print("Yes")
else:
    print("No")
Buggy code:
#                          JAI SHREE RAM

import math; from collections import *
import sys; from functools import reduce

# sys.setrecursionlimit(10**6)
def get_ints(): return map(int, input().strip().split())
def get_list(): return list(get_ints())
def get_string(): return list(input().strip().split())
def printxsp(*args): return print(*args, end="")
def printsp(*args): return print(*args, end=" ")

UGLYMOD = int(1e9)+7; SEXYMOD = 998244353; MAXN = int(1e5)

# sys.stdin=open("input.txt","r");sys.stdout=open("output.txt","w")

# for _testcases_ in range(int(input())):
s = input()
n = s = e = w = False
if 'N' in s: n = True
if 'S' in s: s = True
if 'E' in s: e = True
if 'W' in s: w = True
print("Yes" if not(n^s) and not(e^w) else "No")


'''
>>> COMMENT THE STDIN!! CHANGE ONLINE JUDGE !!
THE LOGIC AND APPROACH IS MINE @luctivud ( UDIT GUPTA )
Link may be copy-pasted here if it's taken from other source.
DO NOT PLAGIARISE.
>>> COMMENT THE STDIN!! CHANGE ONLINE JUDGE !!
'''

Fixed code:
#                          JAI SHREE RAM

import math; from collections import *
import sys; from functools import reduce

# sys.setrecursionlimit(10**6)
def get_ints(): return map(int, input().strip().split())
def get_list(): return list(get_ints())
def get_string(): return list(input().strip().split())
def printxsp(*args): return print(*args, end="")
def printsp(*args): return print(*args, end=" ")

UGLYMOD = int(1e9)+7; SEXYMOD = 998244353; MAXN = int(1e5)

# sys.stdin=open("input.txt","r");sys.stdout=open("output.txt","w")

# for _testcases_ in range(int(input())):
st = input()
n = s = e = w = False
if 'N' in st: n = True
if 'S' in st: s = True
if 'E' in st: e = True
if 'W' in st: w = True
print("Yes" if not(n^s) and not(e^w) else "No")


'''
>>> COMMENT THE STDIN!! CHANGE ONLINE JUDGE !!
THE LOGIC AND APPROACH IS MINE @luctivud ( UDIT GUPTA )
Link may be copy-pasted here if it's taken from other source.
DO NOT PLAGIARISE.
>>> COMMENT THE STDIN!! CHANGE ONLINE JUDGE !!
'''
Buggy code:
string = input()

c1 = True
c2 = True
c3 = True

if ("W" in string and not("E" in string) or "E" in string and not("W" in string): c1 = False
    
if ("N" in string and not("S" in string) or "S" in string and not("N" in string): c2 = False

if "N" in string and "S" in string and "E" in string and "W" in string:
    N = string.count("N")
    S = string.count("S")
    W = string.count("W")
    E = string.count("E")
    if not(N/S == W/E or N/S == E/W): c3 = False
    
if c1 and c2 and c3: print("Yes")
else: print("No")

Fixed code:
string = input()

c1 = True
c2 = True
c3 = True

if ("W" in string and not("E" in string)) or "E" in string and not("W" in string): c1 = False
    
if ("N" in string and not("S" in string)) or "S" in string and not("N" in string): c2 = False

if "N" in string and "S" in string and "E" in string and "W" in string:
    N = string.count("N")
    S = string.count("S")
    W = string.count("W")
    E = string.count("E")
    if not(N/S == W/E or N/S == E/W): c3 = False
    
if c1 and c2 and c3: print("Yes")
else: print("No")
Buggy code:
s = input()
kita, minami = sorted([s.count('N'),s.count('S')])
nisi, higasi = sorted([s.count('W'),s.count('E')])
result = ['No','Yes']
r = 1
if kita==minami:
    continue
elif kita*minami > 0:
    continue
else:
    r *= 0
if nisi==higasi:
    continue
elif nisi*higasi > 0:
    continue
else:
    r = 0
print(result[r])

Fixed code:
s = input()
kita, minami = sorted([s.count('N'),s.count('S')])
nisi, higasi = sorted([s.count('W'),s.count('E')])
result = ['No','Yes']
r = 1
if kita==minami or kita*minami > 0:
    r *= 1
else:
    r = 0

if nisi==higasi or nisi*higasi > 0:
    r *= 1
else:
    r = 0
print(result[r])
Buggy code:
s=input()
ryoko={'S':False,'N':False,'W':False,'E':False}
for c in s:
    ryoko[c]=True
if (ryoko['S'] and ryoko['N']) or (ryoko['W'] and ryoko['E']):
    print('Yes')
else:
    print('No')


Fixed code:
s=input()
ryoko={'S':False,'N':False,'W':False,'E':False}
for c in s:
    ryoko[c]=True
if (ryoko['S']!=ryoko['N']) or (ryoko['W']!=ryoko['E']):
    print('No')
else:
    print('Yes')
Buggy code:
a = str(input())
n = 0
e = 0
s = 0
w = 0
for i in a:
    if i=="N":
        n+=1
    if i=="E":
        e+=1
    if i=="S":
        s+=1
    if i=="W":
        w+=1
if n==s and e==w:
    print("Yes")
elif n>s:
    print("Yes")
else:
    print("No")

Fixed code:
a=list(input())

n = 0

s = 0

e = 0

w = 0

for i in a:
  if i == 'N':
    n += 1
  elif i == 'S':
    s += 1
  elif i == 'E':
    e += 1
  elif i == 'W':
    w += 1

if n > 0 and s == 0 or n == 0 and s > 0 or e > 0 and w == 0 or e == 0 and w > 0:
  print('No')
else:
  print('Yes')
Buggy code:
S = str(input())

if ((S.count("N") !=0 and S.count("S") !=0) or (S.count("N") ==0 and S.count("S") ==0)) and
   ((S.count("W") !=0 and S.count("E") !=0) or (S.count("W") ==0 and S.count("E") ==0)):
  print("Yes")
else:
  print("No")

Fixed code:
S = str(input())

if (S.count("N") !=0 and S.count("S") !=0) or (S.count("N") ==0 and S.count("S") ==0):
    if (S.count("W") !=0 and S.count("E") !=0) or (S.count("W") ==0 and S.count("E") ==0):
        print("Yes")
    else:
        print("No")
else:
    print("No")
Buggy code:
s = input()
l = len(s)
judge = 0
if 'N' in s:
    judge += 1
if 'W' in s:
    judge += 1/1000
if 'S' in s:
    judge -= 1
if 'E' in s:
    judge -= 1/1000

print('Yes' if judge == 0 else 'No')

Fixed code:
s = input()
l = len(s)
judge = 0
if 'N' in s:
    judge += 1000
if 'W' in s:
    judge += 1
if 'S' in s:
    judge -= 1000
if 'E' in s:
    judge -= 1

print('Yes' if judge == 0 else 'No')
Buggy code:
S = input()
n = int('N' in S)
s = int('S' in S)
w = int('W' in W)
e = int('E' in E)

if n + s == 1 or w + e == 1:
  print('No')
else:
  print('Yes')

Fixed code:
S = input()
n = int('N' in S)
s = int('S' in S)
w = int('W' in S)
e = int('E' in S)

if n + s == 1 or w + e == 1:
  print('No')
else:
  print('Yes')
Buggy code:
s=input()
import collections
c = collections.Counter(l)

if (c["N"]!=0 and c["S"]==0) or (c["N"]==0 and c["S"]!=0) or (c["W"]!=0 and c["E"]==0) or (c["W"]==0 and c["E"]!=0):
  print("Yes")
else:
  print("No")
  
  

Fixed code:
s=input()
import collections
c = collections.Counter(s)

if (c["N"]!=0 and c["S"]==0) or (c["N"]==0 and c["S"]!=0) or (c["W"]!=0 and c["E"]==0) or (c["W"]==0 and c["E"]!=0):
  print("No")
else:
  print("Yes")
Buggy code:
import sys

input = sys.stdin.readline

def main():
    S = input().rstrip('\n')
    if 'S' in S == 'N' in S and 'E' in S == 'W' in S:
        print('Yes')
    else:
        print('No')

if __name__ == '__main__':
    main()

Fixed code:
import sys

input = sys.stdin.readline

def main():
    S = input().rstrip('\n')
    if (('S' in S) == ('N' in S)) and (('E' in S) == ('W' in S)):
        print('Yes')
    else:
        print('No')

if __name__ == '__main__':
    main()
Buggy code:
s = set(list(input()))

if 'N' in s:
  if not 'S' in s:
    print("No")
    exit()
  elif s(len) == 2 or s(len)==4:
    print("Yes")
    exit()
    
if 'S' in s:
  if not 'N' in s:
    print("No")
    exit()
  elif s(len) == 2 or s(len)==4:
    print("Yes")
    exit()

if 'W' in s:
  if not 'E' in s:
    print("No")
    exit()
  elif s(len) == 2 or s(len)==4:
    print("Yes")
    exit()

if 'E' in s:
  if not 'W' in s:
    print("No")
    exit()
  elif s(len) == 2 or s(len)==4:
    print("Yes")
    exit()
print("No")

Fixed code:
s = set(list(input()))

if 'N' in s:
  if not 'S' in s:
    print("No")
    exit()
  elif len(s) == 2 or len(s)==4:
    print("Yes")
    exit()
    
if 'S' in s:
  if not 'N' in s:
    print("No")
    exit()
  elif len(s) == 2 or len(s)==4:
    print("Yes")
    exit()

if 'W' in s:
  if not 'E' in s:
    print("No")
    exit()
  elif len(s) == 2 or len(s)==4:
    print("Yes")
    exit()

if 'E' in s:
  if not 'W' in s:
    print("No")
    exit()
  elif len(s) == 2 or len(s)==4:
    print("Yes")
    exit()
    
print("No")
Buggy code:
s = input()
kita = s.count("N")
mina = s.count("W")
nisi = s.count("S")
higa = s.count("E")

if kita + mina != 0 and kita*mina == 0:
    print("No")
    exit()
if nisi + higa != 0 and nisi*higa == 0:
    print("No")
    exit()

print("Yes")

Fixed code:
s = input()
kita = s.count("N")
mina = s.count("S")
nisi = s.count("W")
higa = s.count("E")

if kita + mina != 0 and kita*mina == 0:
    print("No")
    exit()
if nisi + higa != 0 and nisi*higa == 0:
    print("No")
    exit()

print("Yes")