Bittijono

lines = int(input())
res = ""

for i in range(0, lines):
	n = int(input())-1
	sum = 0
	while (n > 0):
		sum += n % 2
		n //= 2
	res += (sum % 2 + "\n")

print(res)

Test 1

Group: 1

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    res += (sum % 2 + "\n")
TypeError: unsupported operand type(s) for +: 'int' and 'str'

Test 2

Group: 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    res += (sum % 2 + "\n")
TypeError: unsupported operand type(s) for +: 'int' and 'str'

Test 3

Group: 3

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    res += (sum % 2 + "\n")
TypeError: unsupported operand type(s) for +: 'int' and 'str'