| 提出番号 | 936 |
|---|---|
| 提出者 | yuki2006 |
| 言語 | Python3 |
| 提出日時 | 2017-08-01 15:54:49 |
| 問題名 | (27)575!575じゃん!575! |
| 結果 | WA |
| 点数 | 0% |
| テストケース | 結果 | 得点 | 実行時間 | メモリ使用量 |
|---|---|---|---|---|
| 1 | WA | 0% | 74ms | 0KB |
| 2 | WA | 0% | 22ms | 0KB |
| 3 | WA | 0% | 65ms | 0KB |
| 4 | WA | 0% | 20ms | 0KB |
| 5 | WA | 0% | 68ms | 0KB |
| 6 | WA | 0% | 20ms | 0KB |
| 7 | WA | 0% | 72ms | 0KB |
| 8 | WA | 0% | 22ms | 0KB |
| 9 | WA | 0% | 21ms | 0KB |
| 10 | WA | 0% | 74ms | 0KB |
| 11 | WA | 0% | 26ms | 0KB |
| 12 | WA | 0% | 23ms | 0KB |
| 13 | WA | 0% | 22ms | 0KB |
| 14 | WA | 0% | 22ms | 0KB |
| 15 | WA | 0% | 22ms | 0KB |
| 16 | WA | 0% | 23ms | 0KB |
| 17 | WA | 0% | 21ms | 0KB |
| 18 | WA | 0% | 22ms | 0KB |
| 19 | WA | 0% | 25ms | 0KB |
| 20 | WA | 0% | 23ms | 0KB |
| 21 | AC | 100% | 21ms | 30832KB |
| 22 | WA | 0% | 22ms | 0KB |
| 23 | WA | 0% | 78ms | 0KB |
N = int(input())
counts = [0] * 8
for i in range(N):
counts[len(input())] += 1
if counts[5] == 0:
print(0)
else:
print(counts[5] * (counts[5] - 1) * counts[7])