Ποια είναι η λειτουργία του ακόλουθου προγράμματος;

            #include <stdio.h>

            #include <conio.h>

            int cube(int n);

            main()

            {

                        int number=5;

                        printf("The original value of number is %d", number);

                        number=cube(number);

                        printf("\nThe new value of number is %d\n", number);

            }

            int cube(int n)

            {

                        return(n*n*n);

            }