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You're writing a program to to analyze test grades, and would like to know the sum of 3 "representative" grades that are stored in an array.


You will be given an array with an odd number of elements. Print the sum of the first, middle and last element in the array. For example, when given {1,2,3,4,5}, print 9 (1+3+5). Each sum should be printed on its own line.

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