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User's AC Ratio

83.3% (5/6)

Submission's AC Ratio

57.9% (11/19)

Tags

Description

今天給你兩個整數 $a,\ b$,請問 $|a - b|$ 是奇數還是偶數?
如果是奇數,請輸出 odd,如果是偶數,請輸出 even


對於所有測試資料:
$-10$$18$ $\le a, b \le 10$$18$

Input Format

輸入僅一行,有兩個整數,分別代表 $a$ 和 $b$。

Output Format

依照題目敘述輸出 oddeven 代表答案

Sample Input 1

1 2

Sample Output 1

odd

Sample Input 2

-2 8

Sample Output 2

even

Hints

Problem Source

Subtasks

No. Testdata Range Constraints Score
1 0~5 $0 \le a,\ b \le 10$$18$ 40
2 6~15 $-10$$3$ $\le a,\ b \le 10$$3$ 40
3 0~25 題目範圍限制 20

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 1000 65536 65536 1 3
1 1000 65536 65536 1 3
2 1000 65536 65536 1 3
3 1000 65536 65536 1 3
4 1000 65536 65536 1 3
5 1000 65536 65536 1 3
6 1000 65536 65536 2 3
7 1000 65536 65536 2 3
8 1000 65536 65536 2 3
9 1000 65536 65536 2 3
10 1000 65536 65536 2 3
11 1000 65536 65536 2 3
12 1000 65536 65536 2 3
13 1000 65536 65536 2 3
14 1000 65536 65536 2 3
15 1000 65536 65536 2 3
16 1000 65536 65536 3
17 1000 65536 65536 3
18 1000 65536 65536 3
19 1000 65536 65536 3
20 1000 65536 65536 3
21 1000 65536 65536 3
22 1000 65536 65536 3
23 1000 65536 65536 3
24 1000 65536 65536 3
25 1000 65536 65536 3