#include <iostream>
int main( )
{
enum days { Sun, Mon, Tue, Wed, Thu, Fri, Sat } ;
int day;
while ( std:: cin >> day)
{
switch ( day)
{
case Sat:
case Sun:
std:: cout << day << " Weekend\n " ;
break ;
case Mon:
std:: cout << day << " Start of work week\n " ;
break ;
case Tue:
case Wed:
case Thu:
std:: cout << day << " Midweek\n " ;
break ;
case Fri:
std:: cout << day << " End of work week\n " ;
break ;
default :
std:: cout << day << " is an invalid day of the week!\n " ;
break ;
}
}
return 0 ;
}
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