n1 = int(input('Enter a number: '));
if n1 == 1:
    print('1- Sunday');
elif n1 == 2:
    print('2- Monday ');
elif n1 == 3:
    print('3- Tuesday ');
elif n1 == 4:
    print('4- Wednesday');
elif n1 == 5:
    print('5- thursday');
elif n1 == 6:
    print('6- friday');
elif n1 == 7:
    print('7- saturday');
else:print('ERROR');