n = int(input())
if n % 4 == 0:
print(n / 2)
else:
print(-1)
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
28 ms |
18236 KB |
Output is correct |
2 |
Incorrect |
29 ms |
18236 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
27 ms |
18228 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
27 ms |
18228 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
28 ms |
18236 KB |
Output is correct |
2 |
Incorrect |
29 ms |
18236 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |