PROGRAMMING:Finding the mantissa of Fibonacci numbers
Are you familiar with Fibonacci sequence? Maybe you won't find any term of Fibonacci sequence, but this problem only needs you to output the last digit of the $$n $$term of Fibonacci sequence!
###Input format:
A positive integer not exceeding 100000.
###Output format:
Output the mantissa of the Fibonacci number of item $$n $$in one line.
###Input example:
```in
seven
```
###Output example:
```out
three
```
answer：If there is no answer, please comment
###Input format:
A positive integer not exceeding 100000.
###Output format:
Output the mantissa of the Fibonacci number of item $$n $$in one line.
###Input example:
```in
seven
```
###Output example:
```out
three
```
answer：If there is no answer, please comment