1.
var a:integer;
begin
read(a);
case a of
1:write('Понедельник - Monday');
2:write('Вторник - Tuesday');
3:write('Среда - Wednesday');
4:write('Четверг - Thursday');
5:write('Пятница - Friday');
6:write('Суббота - Saturday');
7:write('Воскресенье - Sunday');
end;
end.
2.
var a,b,c:longint;
begin
read(a,b,c);
if a<0 then a:=a*a;<br>if b<0 then b:=b*b;<br>if c<0 then c:=c*c;<br>end.