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pragma solidity ^0.4.0;

/** @title Calculate The Shapes. */
contract shapeCalc {
    /** @dev This function is made for calculating the surface and perimeter of a rectange.
      * @param w Rectangle width.
      * @param h Rectangle height.
      * @return s Rectangle surface.
      * @return p Rectangle perimeter.
      */
    function rectangle(uint h, uint w) returns (uint p, uint s) {
        p = 2 * (h + w);
        s = h * w;
    }
}