var a,b,c:integer;
begin
write('Введите a = ' );readln(a);
if a>=0 then a:=sqr(a) else a:=sqr(a*a);
write('Введите b = ' );readln(b);
if b>=0 then b:=sqr(b) else b:=sqr(b*b);
write('Введите c = ' );readln(c);
if c>=0 then c:=sqr(c) else c:=sqr(c*c);
writeln('a = ',a,' b = ',b,' c = ',c);
end.