uses
crt;
var
i, n: integer;
z: array [1 .. 100] of integer;
s: real;
begin
clrscr;
write('n:=');
readln(n);
for i := 1 to n do
begin
write('z[', i, ']:=');
readln(z[i]);
end;
for i := 1 to n do
begin
write(z[i]:3);
end;
writeln;
s := 0;
for i := 1 to n do
s := s + (exp(-2 * z[1]) * ln(abs(z[i])));
writeln('S=', s);
readkey
end.