Var
a, c : integer;
begin
read (a);
c := 0;
while a > 0 do
begin
c := c + 1;
a := a div 10;
end;
write (c);
end.
var
i, n : integer;
begin
read (n);
for i := 1 to trunc (sqrt(n)) do
write (i, ' ');
end.
var
n, i : integer;
begin
i := 1;
while i*i*i <= n do<br> i := i + 1;
writeln (i);
end.