/*
 * A basic math library.
 */
class Math {

    // Initializes the library.
    function void init() {
    }

    // Returns the absolute value of x.
    function int abs(int x) {
    }

    // Returns the product of x and y.
    function int multiply(int x, int y) {
    }

    // Returns the integer part of x/y.
    function int divide(int x, int y) {
    }

    // Returns the integer part of the square root of x.
    function int sqrt(int x) {
    }

    // Returns the greater number.
    function int max(int a, int b) {
    }

    // Returns the smaller number.
    function int min(int a, int b) {
    }
}