/* Exchange kiosk */

#include <stdio.h>

main()
{
	float dollars_for_mark; /* exchange rate */
	int comission; /* comission in dollars */
	float marks, dollars;
	
	dollars_for_mark = 0.666;
	comission = 3;
	marks = 100;
	dollars = marks * dollars_for_mark - comission;
	
	printf("For %6.2f marks you will get %6.2f dollars!\n" , marks, dollars);

}