017. Chem Lab: Cross the Charges

Codeforces

IDCF10269017

Time1000ms

Memory256MB

Difficulty—

English · Original

Formal · Original

While preparing for Chemistry Lab in Science Olympiad, you are taught to "cross your charges" when calculating the molecular coefficients given the charges: using the charges of two bonded ions, you swap the two values to obtain the molecular coefficients. For example, a molecule made of two ions with charges of 4 and 3 would have coefficients of 3 and 4, respectively. The only line of input contains two space-separated integers _a_ and _b_ representing the charges of _a_ and _b_, respectively. Output two space-separated integers _c_ and _d_: the coefficients of each ion given their charges. These can be calculated by swapping _a_ and _b_ (crossing the charges). ## Input The only line of input contains two space-separated integers _a_ and _b_ representing the charges of _a_ and _b_, respectively. ## Output Output two space-separated integers _c_ and _d_: the coefficients of each ion given their charges. These can be calculated by swapping _a_ and _b_ (crossing the charges). [samples]

**Definitions** Let $ a, b \in \mathbb{Z} $ be the charges of two ions. **Objective** Compute $ c = b $, $ d = a $.

API Response (JSON)

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