#include <stdio.h>




//////////////////////////////////////////////////////
int main()                                          //
{

    char c1 = 'A',
         c2 = '!',
         c3 = c1 + c2;

         printf("c3 = %c\n", c3);

}


///       ......................
#include <stdio.h>          //  Ver: 01



enum Day {Monday = 1, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday};


Day yesterday,
        today,
     tomorrow;


//////////////////////////////////////////////////////
int main()                                          //
{

    today = Tuesday;

    printf("yesterday = %d\n", yesterday);
    printf("today     = %d\n", today    );
    printf("tomorrow  = %d\n", tomorrow );

}