Program Ploshad_KBADPATA;
var
a, s: real;
begin
write('BBEDuTE CTOPOHY KBADPATA:');
readln(a);
s := a * a;
writeln('Площадь равна: ', s:5:2);
end.
Program Ploshad_KBADPATA;
var
a, s: real;
begin
write('BBEDuTE CTOPOHY KBADPATA:');
readln(a);
s := a * a;
writeln('Площадь равна: ', s:5:2);
end.