Buggy python submission (verdict: Time Limit Exceeded):
import copy

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

tmp = copy.deepcopy(s)
wait = 0
last_day = k
count = set()

for num, i in enumerate(tmp):
    if wait>0:
        wait -= 1
        continue
    if i == 'o':
        s[num] = 'a'
        count.add(num)
        wait = c
        last_day -= 1
        if last_day == 0:
            break

count2 = set()
last_day = k
wait = 0
for num, i in enumerate(reversed(tmp)):
    if wait>0:
        wait -= 1
        if i == 'a':
            s[num] = 'o'
        continue
    if i == 'o' or i == 'a':
        count2.add(n - num - 1)
        wait = c
        last_day -= 1
        if last_day == 0:
            break

count = count & count2
# print(count)        
ans = []    
for j in count:
    if s[j] =='o':
        continue
    wait = 0
    tmp = copy.deepcopy(s)
    last_day = k
    tmp[j] = 'x'
    for num, i in enumerate(tmp):
        if wait>0:
            if i == 'a':
                tmp[num] = 'o'
            wait -= 1
            continue
        if i == 'o' or i == 'a':
            wait = c
            last_day -= 1
            if last_day == 0:
                break
    if last_day > 0:
        ans.append(j+1)
    else:
        s = copy.deepcopy(tmp)
        
for i in ans:
    print(i)

Fixed submission:
import copy

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

tmp = copy.deepcopy(s)
wait = 0
last_day = k
count = set()

for num, i in enumerate(tmp):
    if wait>0:
        wait -= 1
        continue
    if i == 'o':
        count.add(num)
        wait = c
        last_day -= 1
        if last_day == 0:
            break

tmp = copy.deepcopy(s)
wait = 0
last_day = k
count2 = set()
for num, i in enumerate(reversed(tmp)):
    if wait>0:
        wait -= 1
        continue
    if i == 'o':
        count2.add(n - num - 1)
        wait = c
        last_day -= 1
        if last_day == 0:
            break

count = list(count)
count2 = list(count2)
count.sort()
count2.sort()
ans = []
for i in range(len(count)):
    if count[i]==count2[i]:
        ans.append(count[i]+1)

for i in ans:
    print(i)

Buggy python submission (verdict: Time Limit Exceeded):
import copy

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

tmp = copy.deepcopy(s)
wait = 0
last_day = k
count = []

for num, i in enumerate(tmp):
    if last_day == 0:
        break
    if wait>0:
        wait -= 1
        continue
    if i == 'o':
        s[num] = 'a'
        count.append(num)
        wait = c
        last_day -= 1

# print(count)        
ans = []    
for j in count:
    if s[j] =='o':
        continue
    wait = 0
    tmp = copy.deepcopy(s)
    last_day = k
    tmp[j] = 'x'
    for num, i in enumerate(tmp):
        if last_day == 0:
            break
        if wait>0:
            if i == 'a':
                tmp[num] = 'o'
            wait -= 1
            continue
        if i == 'o' or i == 'a':
            wait = c
            last_day -= 1
    if last_day > 0:
        ans.append(j+1)
    else:
        s = copy.deepcopy(tmp)
        
for i in ans:
    print(i)

Fixed submission:
import copy

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

tmp = copy.deepcopy(s)
wait = 0
last_day = k
count = set()

for num, i in enumerate(tmp):
    if wait>0:
        wait -= 1
        continue
    if i == 'o':
        count.add(num)
        wait = c
        last_day -= 1
        if last_day == 0:
            break

tmp = copy.deepcopy(s)
wait = 0
last_day = k
count2 = set()
for num, i in enumerate(reversed(tmp)):
    if wait>0:
        wait -= 1
        continue
    if i == 'o':
        count2.add(n - num - 1)
        wait = c
        last_day -= 1
        if last_day == 0:
            break

count = list(count)
count2 = list(count2)
count.sort()
count2.sort()
ans = []
for i in range(len(count)):
    if count[i]==count2[i]:
        ans.append(count[i]+1)

for i in ans:
    print(i)

Buggy python submission (verdict: Time Limit Exceeded):
import copy

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

tmp = copy.deepcopy(s)
wait = 0
last_day = k
count = []

for num, i in enumerate(tmp):
    if last_day == 0:
        break
    if wait>0:
        wait -= 1
        continue
    if i == 'o':
        s[num] = 'a'
        count.append(num)
        wait = c
        last_day -= 1

# print(count)        
ans = []    
for j in count:
    wait = 0
    tmp = copy.deepcopy(s)
    last_day = k
    tmp[j] = 'x'
    for num, i in enumerate(tmp):
        if last_day == 0:
            break
        if wait>0:
            wait -= 1
            continue
        if i == 'o' or i == 'a':
            wait = c
            last_day -= 1
    if last_day > 0:
        ans.append(j+1)
        
for i in ans:
    print(i)

Fixed submission:
import copy

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

tmp = copy.deepcopy(s)
wait = 0
last_day = k
count = set()

for num, i in enumerate(tmp):
    if wait>0:
        wait -= 1
        continue
    if i == 'o':
        count.add(num)
        wait = c
        last_day -= 1
        if last_day == 0:
            break

tmp = copy.deepcopy(s)
wait = 0
last_day = k
count2 = set()
for num, i in enumerate(reversed(tmp)):
    if wait>0:
        wait -= 1
        continue
    if i == 'o':
        count2.add(n - num - 1)
        wait = c
        last_day -= 1
        if last_day == 0:
            break

count = list(count)
count2 = list(count2)
count.sort()
count2.sort()
ans = []
for i in range(len(count)):
    if count[i]==count2[i]:
        ans.append(count[i]+1)

for i in ans:
    print(i)