#AT2085. A - Digit Machine
A - Digit Machine
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A - Digit Machine
Score : $100$ points
Problem Statement
There is a device with a screen that shows a single-digit number, and a button.
When the screen is showing a number $k$, pressing the button once changes the number on the screen to $a_k$.
The device currently shows $0$. After pressing the button $3$ times, what will be shown on the screen?
Constraints
- $0\leq a_i \leq 9$
- All values in input are integers.
Input
Input is given from Standard Input in the following format:
Output
Print the answer.
9 0 1 2 3 4 5 6 7 8
7
The number on the screen transitions as $0 \rightarrow 9 \rightarrow 8 \rightarrow 7$.
4 8 8 8 0 8 8 8 8 8
4
The number on the screen transitions as $0 \rightarrow 4 \rightarrow 0 \rightarrow 4$.
0 0 0 0 0 0 0 0 0 0
0