public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  long [ ] a = new long [ 7 ] ;
  for ( int i = 0 ;
  i < 7 ;
  i ++ ) a [ i ] = sc . nextLong ( ) ;
  long ans = 0 ;
  ans += a [ 1 ] ;
  if ( a [ 0 ] == 0 || a [ 3 ] == 0 || a [ 4 ] == 0 ) {
    System . out . println ( ans + ( a [ 0 ] / 2 + a [ 3 ] / 2 + a [ 4 ] / 2 ) * 2 ) ;
    System . exit ( 0 ) ;
  }
  long res1 = ( a [ 0 ] / 2 + a [ 3 ] / 2 + a [ 4 ] / 2 ) * 2 ;
  long temp = Math . min ( Math . min ( a [ 0 ] , a [ 3 ] ) , a [ 4 ] ) ;
  long res2 = temp * 3 + ( ( a [ 0 ] - temp ) / 2 + ( a [ 3 ] - temp ) / 2 + ( a [ 4 ] - temp ) / 2 ) * 2 ;
  long res3 = a [ 0 ] + a [ 3 ] + a [ 4 ] - 1 ;
  ans += Math . max ( Math . max ( res1 , res2 ) , res3 ) ;
  System . out . println ( ans ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; long [ ] a = new long [ 7 ] ; for ( int i = 0 ; i < 7 ; i ++ ) a [ i ] = sc . nextLong ( ) ; long ans = 0 ; ans += a [ 1 ] ; if ( a [ 0 ] == 0 || a [ 3 ] == 0 || a [ 4 ] == 0 ) { System . out . println ( ans + ( a [ 0 ] / 2 + a [ 3 ] / 2 + a [ 4 ] / 2 ) * 2 ) ; System . exit ( 0 ) ; } long res1 = ( a [ 0 ] / 2 + a [ 3 ] / 2 + a [ 4 ] / 2 ) * 2 ; long temp = Math . min ( Math . min ( a [ 0 ] , a [ 3 ] ) , a [ 4 ] ) ; long res2 = temp * 3 + ( ( a [ 0 ] - temp ) / 2 + ( a [ 3 ] - temp ) / 2 + ( a [ 4 ] - temp ) / 2 ) * 2 ; long res3 = a [ 0 ] + a [ 3 ] + a [ 4 ] - 1 ; ans += Math . max ( Math . max ( res1 , res2 ) , res3 ) ; System . out . println ( ans ) ; }
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