/*
 * Homework #0, problem 0.
 * Programmers: April Showers, Mae Flowers, June Bugs
 *
 * This program prints out the circumference of a circle given the
 * radius.
 */

#include <stdio.h>

int
main()
{
    float r;    /* Radius */
    float C;    /* Circumference */

    /* Get the radius */
    printf("Enter the radius: ");
    scanf("%g", &r);
    
    /* Calculate and print the circumference. */
    C = 2. * 3.14159 * r;
    printf("Circumference = %g\n", C);
    return 0;
}