/*
This is a tutorial program designed by PRL.
Author: Mike Min
Email: prlatlab@gmail.com
Data: 11/Feb/2017
*/  //(multiple line comment)

#include <stdio.h>
#include <stdbool.h>

int main(int argc, char *argv[])

{
    printf("Hello, welcome to Prl tutorial!\n");
    int Prl_int; //
    bool Prl_bool = true;
    while(Prl_bool){
        printf("Please input a number which indicates anyday of a week!\n");
        printf("Note: the number must be with the range between 1 to 7!\n");
        printf("Otherwise an error will occure\n");
        scanf("%d",&Prl_int);
        if(1<=Prl_int && Prl_int<=7){
            printf("Prl_int is %d. \n", Prl_int);
            if (Prl_int == 1) printf("It is Monday!\n");
            if (Prl_int == 2) printf("It is Tuesday!\n");
            if (Prl_int == 3) printf("It is Wednesday!\n");
            if (Prl_int == 4) printf("It is Thursday!\n");
            if (Prl_int == 5) printf("It is Friday!\n");
            if (Prl_int == 6) printf("It is Saturday!\n");
            if (Prl_int == 7) printf("It is Sunday!\n");
        }else
        {
            Prl_bool = false;
            printf("Error: the input is out of the range, please run the programme again!\n");
        }
    }
    return 0;
}