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    'use strict';

    process.stdin.resume(); process.stdin.setEncoding('utf-8');

    let inputString = ''; let currentLine = 0;

    process.stdin.on('data', inputStdin => { inputString += inputStdin; });

    process.stdin.on('end', _ => { inputString = inputString.trim().split('\n').map(string => { return string.trim(); });

    main();    
    

    });

    function readLine() { return inputString[currentLine++]; }

    /** * Calculate the area of a rectangle. * * length: The length of the rectangle. * width: The width of the rectangle. *
    * Return a number denoting the rectangle's area. **/ function getArea(length, width) { let area; // Write your code here area = (length*width);

    return area;
    

    }

    /** * Calculate the perimeter of a rectangle. *
    * length: The length of the rectangle. * width: The width of the rectangle. *
    * Return a number denoting the perimeter of a rectangle. **/ function getPerimeter(length, width) { let perimeter; // Write your code here perimeter = 2*(length+width); return perimeter; }