Hiring process8 levels
  1. 1 IQ Test
  2. 2 Additional Online Test (If Required)
  3. 3 Office Interview with Hiring Manager
  4. 4 Unpaid Test Task (Motivation Check)
  5. 5 Paid Test Task and Follow-Up Interview
  6. 6 Iterative Paid Test Tasks
  7. 7 Office Verification
  8. 8 Final Interview with the Founder

Problems > Working Together

Working Together

Difficulty: 1100 2000 ms 128 MB

math

Alone, worker A finishes the job in A hours and worker B in B hours. Working together at combined constant rates, the whole job takes AB/(A+B) hours — print it as an exact reduced fraction p/q.

Input: one line with two integers A and B.

Output: the reduced fraction p/q.

Constraints:

  • 1 ≤ A, B ≤ 109

Sample Tests

Input 1
6 3
Output 1
2/1
Input 2
5 5
Output 2
5/2

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