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# Planar coordinates

## Description

Write functions for working with shapes in standard Planar coordinate system.

• Points are represented by coordinates
• Lines are represented by two points, marking their beginning and ending You will be given three line segments. Calculate their length. Check if the line segments can form a triangle.

## Input

• The input will consist of an array containing twelve values
• Line 1, Point 1 X
• Line 1, Point 1 Y
• Line 1, Point 2 X
• Line 1, Point 2 Y
• Line 2, Point 1 X
• ...

## Output

• The output should be consisted of four lines
• Three lines showing the length of each line segment
• Use 2 digits of precision
• Fourth line should be one of:
• `Triangle can be formed`
• `Triangle can't be formed`

## Constraints

• Time limit: 0.2s
• Memory limit: 16MB

## Sample tests

### Sample Test 1

#### Input

```[
'5', '6', '7', '8',
'1', '2', '3', '4',
'9', '10', '11', '12'
]```

#### Output

``````2.83
2.83
2.83
Triangle can be built
``````

### Sample Test 2

#### Input

```[
'7', '7', '2', '2',
'5', '6', '2', '2',
'95', '-14.5', '0', '-0.123'
]```

#### Output

``````7.07
5.00
96.08
Triangle can not be built
``````