#include <stdio.h>
#include <stdlib.h>

const int OLD_PENCE_PER_SHILLING = 12;
const int OLD_PENCE_PER_POUND = 240;
const int NEW_PENCE_PER_POUND = 100;

int main(void)  {
	int pounds, shillings, oldpence, newpence;

	pounds = 4; shillings = 7; oldpence = 8;

	oldpence = oldpence + shillings * OLD_PENCE_PER_SHILLING;
	newpence = ( oldpence * NEW_PENCE_PER_POUND ) / OLD_PENCE_PER_POUND;

	printf("%d %d/%d in old money ", pounds, shillings, oldpence);
	printf("is %d.%d in new money.\n", pounds, newpence);
	return EXIT_SUCCESS;
}