REM funcINPUT a,b,cIF (a^2-b)*(c-b^2)<>0 THEND=(a^2-b)*(c-b^2)/3PRINT DELSEPRINT "Реш.нет"END IFEnd
program zadacha;vara,b,c:integer;d:real;beginreadln(a,b,c);d:=(sqr(a) - b) * (c-sqr(b)) / 3;writeln(d);end.
REM func
INPUT a,b,c
IF (a^2-b)*(c-b^2)<>0 THEN
D=(a^2-b)*(c-b^2)/3
PRINT D
ELSE
PRINT "Реш.нет"
END IF
End
program zadacha;
var
a,b,c:integer;
d:real;
begin
readln(a,b,c);
d:=(sqr(a) - b) * (c-sqr(b)) / 3;
writeln(d);
end.