uses crt;
var a,b,c:real;
begin
write('Введите A,B,C: ');
read(a,b,c);
writeln(power(exp(1), (sin(a+b)/cos(a+b))/sin(a)-ln(c) )*sin((sqrt(sqrt(c)+a))/cos(sqrt(a)))/cos((sqrt(sqrt(c)+a))/cos(sqrt(a)))*ln( (sqrt( (a+b)/sqrt(a)+sqrt(b) )-c)/(c+( (c+sqrt(5*a))/c+(sqrt(a+b))/(b*sqrt(c)) )) ):0:5);
end.