## 1. The rectangle

Write program that takes input from user and produces rectangle of `#` with height equal to user input and width equal to 3. The input should be a number.

Example output for input `2`:
```
###
###
```

Example output for input `3`:
```
###
###
###
```

Example output for input `5`:
```
###
###
###
###
###
```

## 2. The simple tree

Write program that takes user input and produces a tree from `*` as in examples below. The input should be a number.

Example output for input `2`:
```
 *
**
```

Example output for input `3`:
```
  *
 **
***
```

Example output for input `5`:
```
    *
   **
  ***
 ****
*****
```

## 3. The symetric tree

Write program that takes user input and produces a tree from `%` as in examples below. The input should be a number.

Example output for input `2`:
```
 %
%%%
```

Example output for input `3`:
```
  %
 %%%
%%%%%
```

Example output for input `5`:
```
    %
   %%%
  %%%%%
 %%%%%%%
%%%%%%%%%
```

## 4. The flexible rectangle

Write program that takes 2 user inputs and produces rectangle of `@` with sides corresponding to user inputs. The inputs should be numbers.

Example output for inputs `2` and `3`:
```
@@@
@@@
```

Example output for inputs `4` and `6`:
```
@@@@@@
@@@@@@
@@@@@@
@@@@@@
```

Example output for inputs `6` and `1`:
```
@
@
@
@
@
@
```