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Language: Astronomy
Description There are Sometimes the event happens in this planetary system which is called Your task is to find the length of the time interval between two consecutive planet parades. Input The first line of the input file contains Second line contains n integer numbers t ≤ 10 000). Not all of _{i}t are the same._{i}Output Output the answer as a common irreducible fraction, separate numerator and denominator by a space. Sample Input 3 6 2 3 Sample Output 3 1 Hint Source Northeastern Europe 2005, Northern Subregion |

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