var f1,f2,f3,x:real;
begin
readln(x);
f1:=sqr(sin(2));
f2:=exp(-x)+x**(1/4);
f3:=ln(x**(3)+x**(2));
writeln('f1: ',f1);
writeln('f2: ',f2);
writeln('f3: ',f3);
end.
var f1,f2,f3,x:real;
begin
readln(x);
f1:=sqr(sin(2));
f2:=exp(-x)+x**(1/4);
f3:=ln(x**(3)+x**(2));
writeln('f1: ',f1);
writeln('f2: ',f2);
writeln('f3: ',f3);
end.