var
f:text of file;
k:integer;
s:string;
begin
reset(f);
k:=0;
while not eof(f) do
begin
readln(f,s);
k:=k+1;
writeln(k:4,' ',s);
end;
end.
var
f:text of file;
k:integer;
s:string;
begin
reset(f);
k:=0;
while not eof(f) do
begin
readln(f,s);
k:=k+1;
writeln(k:4,' ',s);
end;
end.