qyliang/CodeNanoFix huggingface dataset:
Buggy code:
# = int(input())
N, K = map(int, input().split())
A = list(map(int, input().split()))
# = [int(input()) for i in range(N)]
# = [list(map(int, input().split())) for i in range(N)]
next = 1
List = [-1]*N

for i in range(K):
    if List[next-1] == -1:
        List[next-1] = i
        next = A[next-1]

    else:
        loop = i - List[next-1]
        afterloop = (K-(i-loop+1))%loop
        print(List.index(i - loop + afterloop))
        exit()

print(next)


Fixed code:
# = int(input())
N, K = map(int, input().split())
A = list(map(int, input().split()))
# = [int(input()) for i in range(N)]
# = [list(map(int, input().split())) for i in range(N)]
next = 1
List = [-1]*N

for i in range(K):
    if List[next-1] == -1:
        List[next-1] = i
        next = A[next-1]

    else:
        loop = i - List[next-1]
        afterloop = (K-(i-loop))%loop
        print(List.index((i-loop) + afterloop)+1)
        exit()

print(next)
Buggy code:
N, K = list(map(int, input().split()))
A = list(map(int, input().split()))

if K == 1:
    print(A[0])
    exit()

if A[0] == 1:
    print(1)
    exit()

# (cnt, k)
visit_town = [(0, 0)]*N
history = [0]*N

visit_town[0] = (1, 0)
history[0] = 1
visit = -1
for i in range(K):
    next_town = A[history[i]-1]
    if visit_town[next_town-1][0] == 0:
        visit_town[next_town-1] = (1, i)
        history[i+1] = next_town
        continue
    mod_k = (K - visit_town[next_town-1][1]) % (i - visit_town[next_town-1][1])
    visit = mod_k + visit_town[next_town-1][1]
    break
if visit == -1:
    print(history[K])
else:
    print(history[visit])

    

Fixed code:
N, K = list(map(int, input().split()))
A = list(map(int, input().split()))

if K == 1:
    print(A[0])
    exit()

if A[0] == 1:
    print(1)
    exit()

# (cnt, k)
visit_town = [(0, 0)]*N
history = [0]*N

visit_town[0] = (1, 0)
history[0] = 1
visit = -1
for i in range(K):
    next_town = A[history[i]-1]
    if visit_town[next_town-1][0] == 0:
        visit_town[next_town-1] = (1, i + 1)
        history[i+1] = next_town
        continue
    mod_k = (K - visit_town[next_town-1][1]) % (i + 1 - visit_town[next_town-1][1])
    visit = mod_k + visit_town[next_town-1][1]
    break
if visit == -1:
    print(history[K])
else:
    print(history[visit])
Buggy code:
N, K = map(int, input().split())
portals = [0] + list(map(int, input().split()))

visitTowns = list()
visitTimes = [0 for _ in range(N + 1)]

curTown = 1
timeBackTo = 0

curTime = 0
while True:
    if visitTimes[curTown] > 0:
        timeBackTo = visitTimes[curTown]
        break

    visitTowns.append(curTown)
    visitTimes[curTown] = curTime

    # teleport
    curTown = portals[curTown]

    curTime += 1
    print(visitTowns, visitTimes[1:])

nonLoopCount = timeBackTo
loopSpan = len(visitTowns) - nonLoopCount

if K <= nonLoopCount:
    print(visitTowns[K])
    exit()

rem = (K - nonLoopCount) % loopSpan
print(visitTowns[nonLoopCount + rem])


Fixed code:
N, K = map(int, input().split())
portals = [0] + list(map(int, input().split()))

visitTowns = list()
visitTimes = [0 for _ in range(N + 1)]

curTown = 1
timeBackTo = 0

curTime = 0
while True:
    if visitTimes[curTown] > 0:
        timeBackTo = visitTimes[curTown]
        break

    visitTowns.append(curTown)
    visitTimes[curTown] = curTime

    # teleport
    curTown = portals[curTown]

    curTime += 1

nonLoopCount = timeBackTo
loopSpan = len(visitTowns) - nonLoopCount

if K <= nonLoopCount:
    print(visitTowns[K])
    exit()

rem = (K - nonLoopCount) % loopSpan
print(visitTowns[nonLoopCount + rem])
Buggy code:
import sys 
N,K = map(int,input().split())
l = list(map(int,input().split()))
m = [0 for i in range(N)]
location = 0
count = 0
for i in range(K):
    location = l[location] -1
    m[location] += 1
    if m[location] == 2:
        start = location
        for j in range(K-i-1):
            location = l[location] -1
            count += 1
            if location == start:
                print(count)
                for k in range((K-i-j-2)//count):
                    location = l[location] -1
                print(location + 1)
                sys.exit()
        print(location + 1)
        sys.exit()
print(location + 1)


Fixed code:
import sys 
N,K = map(int,input().split())
l = list(map(int,input().split()))
m = [0 for i in range(N)]
location = 0
count = 0
for i in range(K):
    location = l[location] -1
    m[location] += 1
    if m[location] == 2:
        start = location
        for j in range(K-i-1):
            location = l[location] -1
            count += 1
            if location == start:
                for k in range((K-i-j-2)%count):
                    location = l[location] -1
                print(location + 1)
                sys.exit()
        print(location + 1)
        sys.exit()
print(location + 1)
Buggy code:
import math,sys
from sys import stdin, stdout
from collections import Counter, defaultdict, deque
input = stdin.readline
I = lambda:int(input())
li = lambda:list(map(int,input().split()))

def case():
    n,k=li()
    a=li()
    d=defaultdict(int)
    i=0
    d[1]=1
    c=0
    ans=[1]
    while(a[i] not in d):
        d[a[i]]=1
        c+=1 
        ans.append(a[i])
        i=a[i]-1
    print(ans)
   # print(i)
    if(k<len(a)):
        print(ans[k%len(ans)])
        return
    for j in range(len(ans)):
        if(ans[j]==a[i]):
            ans=ans[j:]
            k-=j
            break 

    #print(ans,k)
    print(ans[(k)%len(ans)])
    




for _ in range(1):
    case()

Fixed code:
import math,sys
from sys import stdin, stdout
from collections import Counter, defaultdict, deque
input = stdin.readline
I = lambda:int(input())
li = lambda:list(map(int,input().split()))

def case():
    n,k=li()
    a=li()
    d=defaultdict(int)
    i=0
    d[1]=1
    c=0
    ans=[1]
    while(a[i] not in d):
        d[a[i]]=1
        c+=1 
        ans.append(a[i])
        i=a[i]-1
   # print(i)
    #print(ans)
    if(k<len(ans)):
        print(ans[k%len(ans)])
        return
    for j in range(len(ans)):
        if(ans[j]==a[i]):
            ans=ans[j:]
            k-=j
            break 

    #print(ans,k)
    print(ans[(k)%len(ans)])
    




for _ in range(1):
    case()
Buggy code:
def resolve():
    N,K = map(int,input().split())
    A = [int(i)-1 for i in input().split()]
    visited =[False]*N
    steps = [K for i in range(N)]

    current = 0
    while True:

        if K == 0:
			print(current+1)
            return
        if not visited[current]:
            visited[current]=True
            steps[current]=K
            current=A[current]
            K-=1
        else:
            K= K % (steps[current]-K)
            break
    
    while K != 0:

        current= A[current]
        K-=1
    print(current+1)




if __name__ == "__main__":
    resolve()


Fixed code:
def resolve():
    N,K = map(int,input().split())
    A = [int(i)-1 for i in input().split()]
    visited =[False]*N
    steps = [K for i in range(N)]

    current = 0
    while True:

        if K == 0:
            print(current+1)
            return
        if not visited[current]:
            visited[current]=True
            steps[current]=K
            current=A[current]
            K-=1
        else:
            K= K % (steps[current]-K)
            break
    
    while K != 0:

        current= A[current]
        K-=1
    print(current+1)




if __name__ == "__main__":
    resolve()
Buggy code:
n, k = map(int, input().split())
a = list(map(int, input().split()))

l = [0]*n
s = set()
x = 0

for i in range(n):
    machi = a[x]
    if machi in s:
        hajime = l.index(machi)
        owari = i-1
        repeat = l[hajime:owari+1]
        print(l)
        break
    x = machi-1
    l[i] = machi
    s.add(machi)
else:
    amari = k%n
    print(l[amari-1])
    exit()

if k < owari:
    print(l[k-1])
else:
    amari = (k-hajime)%len(repeat)
    if hajime + amari == 0:
        print(repeat[-1])
    else:
        print(l[hajime+amari-1])


Fixed code:
n, k = map(int, input().split())
a = list(map(int, input().split()))

l = [0]*n
s = set()
x = 0

for i in range(n):
    machi = a[x]
    if machi in s:
        hajime = l.index(machi)
        repeat = l[hajime:i]
        break
    x = machi-1
    l[i] = machi
    s.add(machi)
else:
    amari = k%n
    print(l[amari-1])
    exit()

if k < hajime:
    print(l[k-1])
else:
    amari = (k-hajime)%len(repeat)
    print(repeat[amari-1])
Buggy code:
n,k = map(int,input().split())
a = [0]+list(map(int,input().split()))
visited = [0]*(n+1)
turn = [0]*(n+1)
visited[1] = 0
nxt = 1
i = 1
while True:
  if visited[a[nxt]]:
    nxt2 = a[nxt]
    break
  turn[a[nxt]] = i
  visited[nxt] = 1
  i += 1
  nxt = a[nxt]



loop = i-turn[nxt2]
if turn[nxt2] == 0:
  loop = i
  start = 0
start = turn[nxt2]
#print(turn,i,visited)
#print(start,loop)
if start == 0 and k % loop == 0:
  print(1)
  quit()

Fixed code:
n,k = map(int,input().split())
a = [0]+list(map(int,input().split()))
visited = [0]*(n+1)
turn = [0]*(n+1)
visited[1] = 0
nxt = 1
i = 1
while True:
  if visited[a[nxt]]:
    nxt2 = a[nxt]
    break
  turn[a[nxt]] = i
  visited[nxt] = 1
  i += 1
  nxt = a[nxt]

loop = i-turn[nxt2]
if turn[nxt2] == 0:
  loop = i
  start = 0
start = turn[nxt2]
#print(turn,i)
#print(start,loop)
if start == 0 and k % loop == 0:
  print(1)
  quit()
if k < i:
  print(turn.index(k))
else:
  print(turn.index(((k-start)%loop)+start))
Buggy code:
n,k = map(int,input().split())
a = list(map(int,input().split()))

t = 1
tl = [1]
ts = {1}
for i in range(len(a)):

    t = a[t-1]
    if t in ts:
        break
    else:
        tl.append(t)
        ts.add(t)

tl2 = tl[tl.index(t):len(tl)]

print(tl)
print(tl2)

if k < len(tl):
    ans = tl[k]
else:
    k = k - (len(tl) - len(tl2))
    j = k % len(tl2)
    ans = tl2[j]

print(ans)

Fixed code:
n,k = map(int,input().split())
a = list(map(int,input().split()))

t = 1
tl = [1]
ts = {1}
for i in range(len(a)):

    t = a[t-1]
    if t in ts:
        break
    else:
        tl.append(t)
        ts.add(t)

tl2 = tl[tl.index(t):len(tl)]


if k < len(tl):
    ans = tl[k]
else:
    k = k - (len(tl) - len(tl2))
    j = k % len(tl2)
    ans = tl2[j]

print(ans)
Buggy code:
N, K = map(int, input().split())
A = list(map(int, input().split()))

cnt = [0]*N
town = 1
for i in range(K):
    if cnt[town-1] ==1:
        break

    cnt[town-1] += 1
    town = A[town-1]


ans1 = sum(cnt)

import copy
town2 = copy.deepcopy(town)

cnt2 = [0]*N

for i in range(K):
    if cnt2[town2-1] ==1:
        break

    cnt2[town2-1] += 1
    town2 = A[town2-1]
    
ans2 = sum(cnt2)

if K <= (ans1-ans2):
    print(town)
else:
    town3 = 1
    cnt3=[0]*N
    K2 = ((K-(ans1-ans2))%(ans2))+(ans1-ans2)
    print(K2)
    for i in range(K2):
        if cnt3[town3-1] ==1:
            break

        cnt[town3-1] += 1
        town3 = A[town3-1]
    print(town3)

Fixed code:
N, K = map(int, input().split())
A = list(map(int, input().split()))

cnt = [0]*N
town = 1
for i in range(K):
    if cnt[town-1] ==1:
        break

    cnt[town-1] += 1
    town = A[town-1]


ans1 = sum(cnt)

import copy
town2 = copy.deepcopy(town)

cnt2 = [0]*N

for i in range(K):
    if cnt2[town2-1] ==1:
        break

    cnt2[town2-1] += 1
    town2 = A[town2-1]
    
ans2 = sum(cnt2)

if K <= 10**8:
    town4 = 1
    for i in range(K):
        town4 = A[town4-1]
    print(town4)
else:
    town3 = 1
    cnt3=[0]*N
    K2 = ((K-(ans1-ans2))%(ans2))+(ans1-ans2)
    for i in range(K2):
        if cnt3[town3-1] ==1:
            break

        cnt[town3-1] += 1
        town3 = A[town3-1]
    print(town3)
Buggy code:
N, K = map(int,input().split())
A = list(map(int,input().split()))
A = [0] + A
L = []
S = set()
i = 1
cnt = 0
while not i in S or cnt != K:
    S.add(i)
    L.append(i)
    cnt += 1
    i = A[i]

if cnt == K:
    print(i)
else:
    j = L.index(i)
    ans = L[(j + (K - j) % (cnt - j)) % cnt]
    print(ans)

Fixed code:
N, K = map(int,input().split())
A = list(map(int,input().split()))
A = [0] + A
L = []
S = set()
i = 1
cnt = 0
while (not i in S) and cnt != K:
    S.add(i)
    L.append(i)
    cnt += 1
    i = A[i]

if cnt == K:
    print(i)
else:
    j = L.index(i)
    ans = L[(j + (K - j) % (cnt - j)) % cnt]
    print(ans)
Buggy code:
N,K=map(int,input().split())
A=list(map(int,input().split()))
B=[0]*(N+1)
B[0]=1;c=0;d=0
if B[0] in A:c=B[0]
for i in range(1,N+1):
  B[i]=A[B[i-1]-1]
#  if c==B[i]:break
#  if A.count(B[i])>1 and d==0:c=B[i];d+=1

d=B.index(B[-1])
#print(B.index(B[N-1]))
#print(d)
#print(B[-1])
#print(B,d)
#print(d+1+(K-d-1)%(N-d-1))
if (K-d-1)%(N-d-1)==0:print(B[N])
else:print(B[d+1+(K-d-1)%(N-d-1)])
#print(B[d+1+(K-d-1)%(N-d-1)]-1)

Fixed code:
N,K=map(int,input().split())
A=list(map(int,input().split()))
B=[0]*(N+1)
B[0]=1;c=0;d=0
if B[0] in A:c=B[0]
for i in range(1,N+1):
  B[i]=A[B[i-1]-1]
#  if c==B[i]:break
#  if A.count(B[i])>1 and d==0:c=B[i];d+=1

d=B.index(B[-1])+1
#print(B.index(B[N-1]))

#print(B,d)
#print(d+1+(K-d-1)%(N-d-1))
#print(B[K],K,d,(K+1-d),(N+1-d))
if K<=N:print(B[K]);exit()
if (K+1-d)%(N+1-d)==0:print(B[-1])
else:print(B[d-1+(K+1-d)%(N+1-d)])
#print(B[d+1+(K-d-1)%(N-d-1)]-1)
Buggy code:
n,k=map(int,input().split())
A=list(map(int,input().split()))
s=[]
v=1
ord=[-1]*(n+1)
c=1
l=0
while ord[v]==-1:
  ord[v]=len(s)
  s.append(v)
  v=A[v-1]
print(s)
print(ord)
c=len(s)-ord[v]
l=ord[v]

if k<l:
  print(s[k])
else:
  k-=l
  k%=c
  print(s[l+k])


Fixed code:
n,k=map(int,input().split())
A=list(map(int,input().split()))
s=[]
v=1
ord=[-1]*(n+1)
c=1
l=0
while ord[v]==-1:
  ord[v]=len(s)
  s.append(v)
  v=A[v-1]
c=len(s)-ord[v]
l=ord[v]

if k<l:
  print(s[k])
else:
  k-=l
  k%=c
  print(s[l+k])
Buggy code:
N, K = map(int, input().split())
A = list(map(int, ("0 "+input()).split()))


c = [0]*(N+1)
i = 1
cnt = 0
f = True

while cnt < K:
    if f and c[A[i]]:
        print(cnt, i, c)
        loop = cnt-c[A[i]]
        cnt += (K-cnt-1)//loop*loop
        if cnt == K:
            break
        f = False

    cnt += 1
    i = A[i]
    c[i] = cnt

print(i)

Fixed code:
N, K = map(int, input().split())
A = list(map(int, ("0 "+input()).split()))


c = [0]*(N+1)
i = 1
cnt = 0
f = True

while cnt < K:
    if f and (c[A[i]] or A[i]==1):
        loop = cnt-c[A[i]]+1
        cnt += (K-cnt-1)//loop*loop
        f = False

    cnt += 1
    i = A[i]
    c[i] = cnt

print(i)
Buggy code:
N, K = map(int, input().split())
A = list(map(int, input().split()))

now = 1
loop_node = []
first_loop = 0
l = [0 for _ in range(N)]
while True:
    l[now - 1] += 1
    if l[now - 1] == 3:
        break

    if l[now - 1] == 2:
        loop_node.append(now)

    now = A[now - 1]
    first_loop += 1
loop_num = len(loop_node)

print(loop_node[((K + 1) - (first_loop - loop_num * 2)) % loop_num])


Fixed code:
N, K = map(int, input().split())
A = list(map(int, input().split()))

now = 1
loop_node = []
first_loop = 0
l = [0 for _ in range(N)]
while True:
    l[now - 1] += 1
    if l[now - 1] == 3:
        break

    if l[now - 1] == 2:
        loop_node.append(now)

    now = A[now - 1]
    first_loop += 1

loop_num = len(loop_node)
first_loop -= loop_num * 2

if K < first_loop:
    now = 1
    for _ in range(K):
        now = A[now - 1]
    print(now)
else:
    print(loop_node[(K - first_loop) % loop_num])
Buggy code:
n,k = map(int,input().split())
a = list(map(int,input().split()))
l = [1]
for i in range(n):  
    l.append(a[l[i]])
    
p = l.index(l[-1])
if k<=n:
  print(l[k])
  exit()
  
x = (k-n+1)%(n-p)
if x==0:
  print(l[n-1])
else:
  print(l[x+p-1])


Fixed code:
n,k = map(int,input().split())
a = list(map(int,input().split()))
l = [1]
for i in range(n):  
    l.append(a[l[i]-1])
    
p = l.index(l[-1])
if k<=n:
  print(l[k])
  exit()
  
x = (k-n+1)%(n-p)
if x==0:
  print(l[n-1])
else:
  print(l[x+p-1])
Buggy code:
n,k=map(int,input().split())
A = list(map(int,input().split()))

C=[0]*n
C[0]=1
c=0
loopc=0
i=0
while i<n :
    newi = A[i]-1
    C[newi]+=1
    if C[newi]>=3 :
        rs=newi
        break
    elif C[newi]==2 :
        loopc+=1
    i=newi
    c+=1

mod = (k-(c-loopc))%(loopc+1)
# print( C, c, loopc, mod)

i=rs
while mod>0 :
    newi = A[i]-1
    i=newi
    mod-=1

print( i+1 )


Fixed code:
n,k=map(int,input().split())
A = list(map(int,input().split()))

C=[0]*n
C[0]=1
c=0
loopc=0
i=0
io=0
while c<k :
    newi = A[i]-1
    C[newi]+=1
    if C[newi]>=3 :
        rs=newi
        break
    elif C[newi]==2 :
        loopc+=1
    io=i
    i=newi
    c+=1

if (k-c)<0 or loopc==0 :
    print(i+1)
    exit()
mod = (k-c)%(loopc)
# print( k, c, loopc, i, mod)


# i=rs
while mod>0 :
    newi = A[i]-1
    i=newi
    mod-=1

print( i+1 )
Buggy code:
n,k = (int(x) for x in input().split())
town = [int(i) for i in input().split()]
warp  = [1]
checklist = [0]+[-1]*n
i = 0
j = 0
while j<=n:
    warp.append(town[i])
    if checklist[town[i]-1]!=-1:
        s = checklist[town[i]-1]
        warp = warp[s:j]
        break
    checklist[town[i]-1] = j
    i = town[i]-1
    j += 1


m = len(warp)
print(warp[(k-s)%m])


Fixed code:
n,k = (int(x) for x in input().split())
town = [int(i) for i in input().split()]
warp  = [1]
checklist = [0]+[-1]*n
i = 0
j = 1
s = 0
while j<=n:
    warp.append(town[i])
    if checklist[town[i]-1]!=-1:
        s = checklist[town[i]-1]
        loop = warp[s:j]
        break
    checklist[town[i]-1] = j
    i = town[i]-1
    j += 1
if k>=s:
    m = len(loop)
    print(loop[(k-s)%m])
else:
    print(warp[k])
Buggy code:
if __name__=="__main__":
    N, K = map(int, input().split(' '))
    _town_list = input().split(' ')
    town_list = [int(n) for n in _town_list]

    next_town = town_list[0]
    visited_town = set()
    visited_town.add(1)
    visited_town.add(next_town)
    lst_visited_town = [1]
    lst_visited_town.append(next_town)
    counter = 1

    while True:
        counter += 1
        next_town = town_list[next_town-1]
        if counter == K:
            print(next_town)
            break
        if next_town in visited_town:
            repeated_town_idx = lst_visited_town.index(next_town)
            loop_num = counter - repeated_town_idx
            print(visited_town[(K-repeated_town_idx)%loop_num + repeated_town_idx])
            break
        lst_visited_town.append(next_town)
        visited_town.add(next_town)

Fixed code:
if __name__=="__main__":
    N, K = map(int, input().split(' '))
    _town_list = input().split(' ')
    town_list = [int(n) for n in _town_list]

    next_town = town_list[0]
    visited_town = set()
    visited_town.add(1)
    visited_town.add(next_town)
    lst_visited_town = [1]
    lst_visited_town.append(next_town)
    counter = 1

    while True:
        counter += 1
        next_town = town_list[next_town-1]
        if counter == K:
            print(next_town)
            break
        if next_town in visited_town:
            repeated_town_idx = lst_visited_town.index(next_town)
            loop_num = counter - repeated_town_idx
            print(lst_visited_town[(K-repeated_town_idx)%loop_num + repeated_town_idx])
            break
        lst_visited_town.append(next_town)
        visited_town.add(next_town)
Buggy code:
n,k = map(int,input().split())
k += 1
l1 = list(map(int,input().split()))
l = list(i-1 for i in l1)
bit = list(0 for i in range(n))
bit[0] =1
mi = [0]
m = l[0]
er = 0
while er ==0:
  if bit[m]==1:
    a = mi.index(m)
    r = mi[a:]
    er  =1
  else:
    bit[m] = 1
    mi.append(m)
    m = l[m]
 # print(bit)
be = mi[:a]+r
#print(be,r)
if k<= len(be):
  print(be[k])
else:
  w = k-len(be)-1
  u = (w%len(r))-1
  print(r[u])

Fixed code:
n,k = map(int,input().split())
l1 = list(map(int,input().split()))
l = list(i-1 for i in l1)
bit = list(0 for i in range(n))
bit[0] =1
mi = [0]
m = l[0]
er = 0
while er ==0:
  if bit[m]==1:
    a = mi.index(m)
    r = mi[a:]
    er  =1
  else:
    bit[m] = 1
    mi.append(m)
    m = l[m]
 # print(bit)
be = mi[:a]+r
#print(be,r)
if k< len(be):
  print(be[k]+1)
else:
  w = k-len(be)+1
  u = (w%len(r))-1
  print(r[u]+1)
Buggy code:
n,k=(int(i) for i in input().split())
r=[0 for i in range(n)]
l=[int(i) for i in input().split()]
wazap=[]
count=1
saver=None
temp=0
while r[temp]==0:
  r[temp]=count
  wazap.append(temp)
  temp=l[temp]-1
start=wazap[-1]
for i in range(len(wazap)):
  if wazap[i]==start-1:
    left=i
    break
loop=len(wazap)-left
if k<left:
  print(wazap[k]+1)
else:
  print(wazap[(k-left)%loop+left]+1)

Fixed code:
n,k=(int(i) for i in input().split())
r=[0 for i in range(n)]
l=[int(i) for i in input().split()]
wazap=[]
count=1
saver=None
temp=0
while r[temp]==0:
  r[temp]=count
  wazap.append(temp)
  temp=l[temp]-1
start=l[wazap[-1]]
left=None
for i in range(len(wazap)):
  if wazap[i]==start-1:
    left=i
    break
loop=len(wazap)-left
if k<left:
  print(wazap[k]+1)
else:
  print(wazap[(k-left)%loop+left]+1)
Buggy code:
N, K = map(int, input().split())

array = input().split()
for i in range(len(array)):
    array[i] = int(array[i])

now = 1

history = set()
start_number = -1

for i in range(K):
    history.append(now)
    now = array[now - 1]
    if(now in history):
        start_number = now
        break

if not(start_number == -1):
    start_ind = history.index(start_number)
    length = len(history) - start_ind
    mod = (K - start_ind) % length
    now = history[start_ind + mod]

print(now)


Fixed code:
N, K = map(int, input().split())

array = input().split()
for i in range(len(array)):
    array[i] = int(array[i])

now = 1

history = []
sethistory = set()
start_number = -1

for i in range(K):
    history.append(now)
    sethistory.add(now)
    now = array[now - 1]
    if(now in sethistory):
        start_number = now
        break

if not(start_number == -1):
    start_ind = history.index(start_number)
    length = len(history) - start_ind
    mod = (K - start_ind) % length
    now = history[start_ind + mod]

print(now)
Buggy code:
N, K = [int(i) for i in input().split()]
X = [int(i) for i in input().split()]

town = []
dic = {}

i = 0
j = 0

while i not in dic and j < K:
    print('i', i)
    dic[i] = j
    town.append(i)
    i = X[i] - 1
    j += 1
    
if j == K:
    output = i + 1
    
else : 
    num = dic[i]
    loop = j - num
    output = town[((K-num) % loop) +num] + 1
    
print(output)

Fixed code:
N, K = [int(i) for i in input().split()]
X = [int(i) for i in input().split()]

town = []
dic = {}

i = 0
j = 0

while i not in dic and j < K:
    dic[i] = j
    town.append(i)
    i = X[i] - 1
    j += 1
    
if j == K:
    output = i + 1
    
else : 
    num = dic[i]
    loop = j - num
    output = town[((K-num) % loop) +num] + 1
    
print(output)
Buggy code:
n,k = map(int,input().split())
a = list(map(int,input().split()))
pos = 0
visit = [0] * n
move = []
loop = []
while visit[pos] != 2:
    if visit[pos] == 0:
        move.append(pos)
    else:
        loop.append(pos)
    visit[pos] += 1
    pos = A[pos] - 1
if len(move[k]) > k:
    print(move[k]+1)
else:
    print(loop[(k-(len(move)-len(loop)))%len(loop)]+1)

Fixed code:
n,k = map(int,input().split())
a = list(map(int,input().split()))
pos = 0
visit = [0] * n
move = []
loop = []
while visit[pos] != 2:
    if visit[pos] == 0:
        move.append(pos)
    else:
        loop.append(pos)
    visit[pos] += 1
    pos = a[pos] - 1
if len(move) > k:
    print(move[k]+1)
else:
    print(loop[(k-(len(move)-len(loop)))%len(loop)]+1)