public static void main ( String [ ] args ) {
  Scanner s = new Scanner ( System . in ) ;
  int n = s . nextInt ( ) ;
  char a [ ] = new char [ n ] ;
  int m = 97 ;
  int i = 0 ;
  while ( i < n ) {
    a [ i ] = ( char ) ( m ) ;
    i ++ ;
    if ( i == n ) break ;
    a [ i ] = ( char ) ( m ) ;
    i ++ ;
    if ( i == n ) break ;
    a [ i ] = ( char ) ( m + 1 ) ;
    i ++ ;
    if ( i == n ) break ;
    a [ i ] = ( char ) ( m + 1 ) ;
    i ++ ;
  };
}

public static void main ( String [ ] args ) { Scanner s = new Scanner ( System . in ) ; int n = s . nextInt ( ) ; char a [ ] = new char [ n ] ; int m = 97 ; int i = 0 ; while ( i < n ) { a [ i ] = ( char ) ( m ) ; i ++ ; if ( i == n ) break ; a [ i ] = ( char ) ( m ) ; i ++ ; if ( i == n ) break ; a [ i ] = ( char ) ( m + 1 ) ; i ++ ; if ( i == n ) break ; a [ i ] = ( char ) ( m + 1 ) ; i ++ ; } ; }
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