Here is the translation of the programming task text from Russian to English: Structure Point and calculating distance from the origin

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Task «Here is the translation of the programming task text from Russian to English: Structure Point and calculating distance from the origin»

Create a structure Point with fields X and Y (type float64). Write a function DistanceFromOrigin that takes a Point and returns the distance from the point to the origin (0,0). Two numbers are entered — the coordinates of the point. Output the distance with an accuracy of two decimal places.

Input Format

Two real numbers X and Y, separated by a space.

Output Format

One real number — the distance from the point to the origin, rounded to two decimal places.

Examples

Example 1

INPUT

0.0 0.0

OUTPUT

0.00

Example 2

INPUT

5
1 1 1 1 1

OUTPUT

1.41

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