public static void main ( String [ ] args ) {
  Scanner s = new Scanner ( System . in ) ;
  long n = s . nextLong ( ) ;
  int k = s . nextInt ( ) ;
  long a [ ] = new long [ k ] ;
  long ans = 0 , min = Long . MAX_VALUE ;
  int index = 0 ;
  for ( int i = 0 ;
  i < k ;
  i ++ ) a [ i ] = s . nextLong ( ) ;
  for ( int j = 0 ;
  j < k ;
  j ++ ) {
    if ( a [ j ] == n ) {
      ans = 1 ;
      break ;
    }
    else if ( a [ j ] < n ) {
      long o = n % a [ j ] ;
      if ( o < min ) {
        min = o ;
        ans = n / a [ j ] ;
        index = j ;
      }
    }
  }
  index ++ ;
  System . out . println ( index + " " + ans ) ;
}

public static void main ( String [ ] args ) { Scanner s = new Scanner ( System . in ) ; long n = s . nextLong ( ) ; int k = s . nextInt ( ) ; long a [ ] = new long [ k ] ; long ans = 0 , min = Long . MAX_VALUE ; int index = 0 ; for ( int i = 0 ; i < k ; i ++ ) a [ i ] = s . nextLong ( ) ; for ( int j = 0 ; j < k ; j ++ ) { if ( a [ j ] == n ) { ans = 1 ; break ; } else if ( a [ j ] < n ) { long o = n % a [ j ] ; if ( o < min ) { min = o ; ans = n / a [ j ] ; index = j ; } } } index ++ ; System . out . println ( index + " ▁ " + ans ) ; }
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