const n=100;
var a:integer;
i:integer;
x,b:real;
begin
x:=0;
for a:=1 to n do
x:=x+1/a;
b:=x*100;
writeln(b:3:0,'/100');
readln;
end.
const n=100;
var a:integer;
i:integer;
x,b:real;
begin
x:=0;
for a:=1 to n do
x:=x+1/a;
b:=x*100;
writeln(b:3:0,'/100');
readln;
end.