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Area and volume of the pyramid

Area and volume of the pyramid

Party established the right square pyramid \textbf{d}, lateral rib \textbf{p}. Determine total surface area and volume of the pyramid. \InputFile In a single line through the space base and side edge. The input data does not exceed \textbf{100}. \OutputFile Through the gap the required area and volume, the result output to three decimal places.
Time limit 1 second
Memory limit 128 MiB
Input example #1
20 15
Output example #1
847.214 666.667