Urkupillit

n = int(input())

a = [int(e) for e in input().split()]

mod = [0, 0, 0]
for e in a:
    mod[e % 3] += 1
    
count = mod[0]

m = (mod[1] + mod[2]*2)%3
if m == 0:
    count += (mod[1] + mod[2])
if m == 1:
    count += (mod[1] + mod[2] - 1)
if m == 2:
    if mod[2]>0:
        count += (mod[1] + mod[2] - 1)
    else:
        count += (mod[1] + mod[2] - 2)



print(count)

Test 1

Subtask: 1

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    n = int...

Test 2

Subtask: 1

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    n = int...

Test 3

Subtask: 1

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    n = int...

Test 4

Subtask: 1

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    n = int...

Test 5

Subtask: 1

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    n = int...

Test 6

Subtask: 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    n = int...

Test 7

Subtask: 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    n = int...

Test 8

Subtask: 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    n = int...

Test 9

Subtask: 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    n = int...

Test 10

Subtask: 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    n = int...

Test 11

Subtask: 3

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    n = int...

Test 12

Subtask: 3

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    n = int...

Test 13

Subtask: 3

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    n = int...

Test 14

Subtask: 3

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    n = int...

Test 15

Subtask: 3

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    n = int...