308349: CF1505B. DMCA
Memory Limit：256 MB
Time Limit：1 S
Judge Style：Text Compare
Creator：
Submit：0
Solved：0
Description
B. DMCAtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard output
Many people are aware of DMCA – Digital Millennium Copyright Act. But another recently proposed DMCA – Digital Millennium Calculation Act – is much less known.
In this problem you need to find a root of a number according to this new DMCA law.
InputThe input contains a single integer $a$ ($1 \le a \le 1000000$).
OutputOutput the result – an integer number.
ExamplesInput1Output
1Input
81Output
9
Input
暂时还没有翻译