program jjj;
var a,b:integer;
y:real;
BEGIN writeln('VVedite a');
readln(a);
writeln('Vvedite b');
readln(b);
y:=2*(sqrt(a+b)*(a+b))+(7*a*a*b*b)-(3*a*a*b*b);
writeln(y);
readln;
END .