uses crt;
var x,y,z,s:real;
begin
clrscr;
x:=0.622;
y:=0.827;
z:=5.541;
s:=sqr(sin(2*x))+1/sqr(sqr(x))-exp(x)+z*sin(x)/cos(x)*(2/3);
write('S=',s:0:3);
readln
end.
uses crt;
var x,y,z,s:real;
begin
clrscr;
x:=0.622;
y:=0.827;
z:=5.541;
s:=sqr(sin(2*x))+1/sqr(sqr(x))-exp(x)+z*sin(x)/cos(x)*(2/3);
write('S=',s:0:3);
readln
end.