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22669_Lastdigi

2022-5-16 18:22| 发布者: Hocassian| 查看: 21| 评论: 0|原作者: 肇庆学院ACM合集

摘要:

C:\Users\Administrator\Downloads\2019-10-12-10-14-5-89506839493200-Problem List-采集的数据-后羿采集器.html

Pro.ID

22669

Title

Last digit

Title链接

http://10.20.2.8/oj/exercise/problem?problem_id=22669

AC

Submit

Ratio

0.00%

时间&空间限制

Time Limit: 1000/500 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)

描述

Determine the last nonzero digit in value of expression

输入

Input a single line with n and m separated by one or several spaces; n, m are natural numbers from 1 to 1000000, n ≥ m .

输出

Description

Determine the last nonzero digit in value of expression

Input

Input a single line with n and m separated by one or several spaces; n, m are natural numbers from 1 to 1000000, n ≥ m .

Output

Output a single line with the last nonzero digit.

Sample Input

4 2

Sample Output

Source

NEERC 2001 Western Subregion

样例输入