public static void main ( String [ ] args ) {
  Scanner scanner = new Scanner ( System . in ) ;
  int N = scanner . nextInt ( ) ;
  int M = scanner . nextInt ( ) ;
  int A = scanner . nextInt ( ) ;
  int B = scanner . nextInt ( ) ;
  int [ ] c = new int [ M + 1 ] ;
  for ( int i = 1 ;
  i <= M ;
  i ++ ) {
    c [ i ] = scanner . nextInt ( ) ;
  }
  int cards = N ;
  int index = - 1 ;
  boolean flag = true ;
  for ( int i = 1 ;
  i <= M ;
  i ++ ) {
    if ( cards <= A ) {
      cards += B ;
    }
    if ( cards < c [ i ] ) {
      index = i ;
      flag = false ;
      break ;
    }
    cards -= c [ i ] ;
  }
  if ( flag ) {
    System . out . println ( "complete" ) ;
  }
  else {
    System . out . println ( index ) ;
  }
}

public static void main ( String [ ] args ) { Scanner scanner = new Scanner ( System . in ) ; int N = scanner . nextInt ( ) ; int M = scanner . nextInt ( ) ; int A = scanner . nextInt ( ) ; int B = scanner . nextInt ( ) ; int [ ] c = new int [ M + 1 ] ; for ( int i = 1 ; i <= M ; i ++ ) { c [ i ] = scanner . nextInt ( ) ; } int cards = N ; int index = - 1 ; boolean flag = true ; for ( int i = 1 ; i <= M ; i ++ ) { if ( cards <= A ) { cards += B ; } if ( cards < c [ i ] ) { index = i ; flag = false ; break ; } cards -= c [ i ] ; } if ( flag ) { System . out . println ( " complete " ) ; } else { System . out . println ( index ) ; } }
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