The teacher has sent an e-mail to her students with the following task: "Write a program that will determine and output the value of if given the statement:

and it holds that to are integers, and to one-digit integers."

Unfortunately, when the teacher downloaded the task to her computer, the text formatting was lost so the task transformed into a sum of integers:

For example, without text formatting, the original task in the form of became a task in the form of . Help the teacher by writing a program that will, for given integers from to determine and output the value of from the original task.

**Please note:** We know that it holds ( times).

#### Input Specification

The first line of input contains the integer , the number of the addends from the task. Each of the following lines contains the integer from the task.

#### Output Specification

The first and only line of output must contain the value of from the original task.

#### Sample Input 1

```
2
212
1253
```

#### Sample Output 1

`1953566`

#### Explanation for Sample Output 1

.

#### Sample Input 2

```
5
23
17
43
52
22
```

#### Sample Output 2

`102`

#### Sample Input 3

```
3
213
102
45
```

#### Sample Output 3

`10385`

## Comments