PROGRAMMING:Step into computer series (4) hexadecimal to decimal
Since Li knew how to convert decimal system to hexadecimal system, he thought that the talent who can convert hexadecimal system to decimal system was the God in his heart
It seems you have to work hard, brother!
###Input format:
Please write a hexadecimal number on each line to ensure that it is a positive integer
###Output format:
Give the decimal number of the corresponding hexadecimal number, one result per line
###Input example:
Here is a set of inputs. For example:
```in
F
```
###Output example:
The corresponding output is given here. For example:
```out
fifteen
```
answer：If there is no answer, please comment
It seems you have to work hard, brother!
###Input format:
Please write a hexadecimal number on each line to ensure that it is a positive integer
###Output format:
Give the decimal number of the corresponding hexadecimal number, one result per line
###Input example:
Here is a set of inputs. For example:
```in
F
```
###Output example:
The corresponding output is given here. For example:
```out
fifteen
```
answer：If there is no answer, please comment