/* The distance of a marathon in kilometers. */

#include <stdio.h>

int main(void)
{
   int     miles, yards;
   float   kilometers;

   miles = 26;
   yards = 385;
   kilometers = 1.609 * (miles + yards / 1760.0);
   printf("\nA marathon is %f kilometers.\n\n", kilometers);
   return 0;
}