var
s: string;
C1, C2: char;
i, n: integer;
begin
readln(n);
C1 := 'a';
C2 := 'b';
s := '';
For i := 1 to (n div 2) do
s := s + C1 + C2;
writeln(s);
end.
var
s: string;
C1, C2: char;
i, n: integer;
begin
readln(n);
C1 := 'a';
C2 := 'b';
s := '';
For i := 1 to (n div 2) do
s := s + C1 + C2;
writeln(s);
end.