#include <stdio.h>

#define REG_HAM_PRICE 2000

#define DBL_HAM_PRICE 3000

#define COKE_PRICE 1000

#define REG_HAM_CODE 1

#define DBL_HAM_CODE 2

#define COKE_CODE 3

#define MAX_ITEM 3

void print_menu(void);

void print_receipt(int, int, int);

void print_proceeds(int, int, int);

void process(int, int, int*, int*, int*);

int input_process(int*, int*, int*, int*);

void total_process(int, int, int, int*, int*, int*);