Competitions

# July 18 ADA Training - Geometry

# Polar angle of a point

Find the polar angle of the point.

#### Input

Two integers are given - the decart coordinates of the point that does not coincide with the origin. Input values do not exceed **10000** by the absolute value.

#### Output

Print one real number - the value of its polar angle in radians in the interval [**0**; **2π**). The answer must be rounded to **6** digits after the decimal point.

Input example #1

2 3

Output example #1

0.982794