No.773 Contest
レベル :
/ AI推定難易度 : 77
/ 実行時間制限 : 1ケース 2.000秒 / メモリ制限
: 512 MB / 標準ジャッジ問題
タグ : / 解いたユーザー数 451
作問者 :
hirakich1000000007
タグ : / 解いたユーザー数 451
作問者 :
問題文最終更新日: 2018-12-19 20:04:29
English (AI translation)
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Advent Calendar Contest 2018
(順位表)
の他の問題:
Problem Statement
The Paken training camp takes place on the $23, 24, 25$th of this month, and there is a contest on each of the $3$ days (Day1, Day2, Day3).
Hitsuji intends to participate in them, but cannot participate from day $A$ through day $B$ because of a trip.
How many of the Paken training camp contests can Hitsuji participate in?
Input
$A$ $B$
$1 \leq A \leq B \leq 31$
Output
Output on one line the number of Paken training camp contests that Hitsuji can participate in.
Sample
Sample 1
Input
11 23
Output
2
Sample 2
Input
21 31
Output
0
Sample 3
Input
1 5
Output
3
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