#include <stdio.h>
#include "genlib.h"
#include "simpio.h"

int main(void)
{
    int choice, i;
    double price;

    for (i = 1; i <= 5; ++i) {
        printf("[1] apples\n");
        printf("[2] pears\n");
        printf("[3] oranges\n");
        printf("[4] grapes\n");
        printf("[0] Exit\n");
        choice=GetInteger();
        if (choice == 0) {
            break;
        } else {
                switch (choice)
                {
                case 1:
                    price = 3.0;
                    break;
                case 2:
                    price = 2.5;
                    break;
                case 3:
                    price = 4.1;
                    break;
                case 4:
                    price = 10.2;
                    break;
                default:
				    price = 0;
                }
                printf("price = %0.1f\n", price);
        }
    }
    return 0;
}