Problems > Angle Between Clock Hands

Angle Between Clock Hands

Difficulty: 1300 2000 ms 128 MB

math

At H hours and M minutes, what is the smaller angle in degrees between the hour and minute hands of an analog clock? The hour hand moves continuously.

Input: one line with two integers H and M.

Output: the angle with exactly one digit after the decimal point (it is always .0 or .5).

Constraints:

  • 0 ≤ H ≤ 23
  • 0 ≤ M ≤ 59

Sample Tests

Input 1
3 30
Output 1
75.0
Input 2
12 0
Output 2
0.0

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