Twice the minimum
Execution time limit is 1 second
Runtime memory usage limit is 128 megabytes
The array of real numbers is given. Find the twice value of the minimum element in array.
Input
The first line contains the number of elements in array. The second line contains real numbers — the elements of array. Each value does not exceed by absolute value.
Output
Print the twice value of the minimum element in array with decimal digits.
Examples
Input #1
Answer #1
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