exercice 5

// exercice5
#include <stdio.h>
void main()
{
    int month,year;
    printf("input the month 1-12 : ");
    scanf("%d",&month);
    if ((month<=7 && month %2 !=0) || (month>7 && month %2 ==0))
    {
        printf("this month has 31 days\n");
    }else if (month == 4 || month == 6 ||month == 9 || month ==11)
    {
        printf("this month has 30 days\n");
    }else if (month == 2)
    {
        printf("input the year: ");
        scanf("%d",&year);
        if (year %4 ==0)
        {
            printf("this month has 29 days\n")   ;
        }else
        {
            printf("this month has 28 days\n");
        }
    }else
    {
        printf("your input is incorrect\n");
    }



    /*
    switch (month)
    {
        case 1:
        case 3:
        case 5:
        case 7:
        case 8:
        case 10:
        case 12:
            printf("this month has 31 days\n");
        break;
        case 4:
        case 6:
        case 9:
        case 11:
            printf("this month has 30 days\n");
        break;
        case 2:
            printf("input year : ");
            scanf("%d",&year);
            switch(year % 4)
            {
                case 0:
                    printf("this month has 29 days\n");
                break;
                default:
                    printf("this month has 28 days\n");
                break;
            }
        break;
        default:
            printf("your input is incorrect\n");
        break;
    } */

}