public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int n = sc . nextInt ( ) ;
  int m = sc . nextInt ( ) ;
  int l = sc . nextInt ( ) ;
  int p = sc . nextInt ( ) ;
  int q = sc . nextInt ( ) ;
  int r = sc . nextInt ( ) ;
  int ans = 0 ;
  int n1 = ( n / p ) * ( m / q ) * ( l / r ) ;
  int n2 = ( n / p ) * ( m / r ) * ( l / q ) ;
  int n3 = ( n / q ) * ( m / p ) * ( l / r ) ;
  int n4 = ( n / q ) * ( m / r ) * ( l / p ) ;
  int n5 = ( n / r ) * ( m / p ) * ( l / q ) ;
  int n6 = ( n / r ) * ( m / q ) * ( l / p ) ;
  ans = Math . max ( ans , n1 ) ;
  ans = Math . max ( ans , n2 ) ;
  ans = Math . max ( ans , n3 ) ;
  ans = Math . max ( ans , n4 ) ;
  ans = Math . max ( ans , n5 ) ;
  ans = Math . max ( ans , n6 ) ;
  System . out . println ( ans ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int n = sc . nextInt ( ) ; int m = sc . nextInt ( ) ; int l = sc . nextInt ( ) ; int p = sc . nextInt ( ) ; int q = sc . nextInt ( ) ; int r = sc . nextInt ( ) ; int ans = 0 ; int n1 = ( n / p ) * ( m / q ) * ( l / r ) ; int n2 = ( n / p ) * ( m / r ) * ( l / q ) ; int n3 = ( n / q ) * ( m / p ) * ( l / r ) ; int n4 = ( n / q ) * ( m / r ) * ( l / p ) ; int n5 = ( n / r ) * ( m / p ) * ( l / q ) ; int n6 = ( n / r ) * ( m / q ) * ( l / p ) ; ans = Math . max ( ans , n1 ) ; ans = Math . max ( ans , n2 ) ; ans = Math . max ( ans , n3 ) ; ans = Math . max ( ans , n4 ) ; ans = Math . max ( ans , n5 ) ; ans = Math . max ( ans , n6 ) ; System . out . println ( ans ) ; }
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