public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int row = sc . nextInt ( ) ;
  int column = sc . nextInt ( ) ;
  int x = sc . nextInt ( ) ;
  int y = sc . nextInt ( ) ;
  int desk = sc . nextInt ( ) ;
  int rack = sc . nextInt ( ) ;
  int sum = desk + rack ;
  long ans = 0 ;
  for ( int i = 0 ;
  i < 1 << 4 ;
  i ++ ) {
    int tmpX = x ;
    int tmpY = y ;
    if ( ( i & 1 << 0 ) != 0 ) {
      tmpX -- ;
    }
    if ( ( i & 1 << 1 ) != 0 ) {
      tmpX -- ;
    }
    if ( ( i & 1 << 2 ) != 0 ) {
      tmpY -- ;
    }
    if ( ( i & 1 << 3 ) != 0 ) {
      tmpY -- ;
    }
    if ( tmpX < 0 || tmpY < 0 ) {
      continue ;
    }
    ans = advMod ( ans + combi ( tmpX * tmpY , sum ) * ( Integer . bitCount ( i ) % 2 == 0 ? 1 : - 1 ) ) ;
  }
  ans = advMod ( ans * combi ( sum , desk ) ) ;
  ans = advMod ( ans * ( row - x + 1 ) * ( column - y + 1 ) ) ;
  System . out . println ( ( ans + mod ) % mod ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int row = sc . nextInt ( ) ; int column = sc . nextInt ( ) ; int x = sc . nextInt ( ) ; int y = sc . nextInt ( ) ; int desk = sc . nextInt ( ) ; int rack = sc . nextInt ( ) ; int sum = desk + rack ; long ans = 0 ; for ( int i = 0 ; i < 1 << 4 ; i ++ ) { int tmpX = x ; int tmpY = y ; if ( ( i & 1 << 0 ) != 0 ) { tmpX -- ; } if ( ( i & 1 << 1 ) != 0 ) { tmpX -- ; } if ( ( i & 1 << 2 ) != 0 ) { tmpY -- ; } if ( ( i & 1 << 3 ) != 0 ) { tmpY -- ; } if ( tmpX < 0 || tmpY < 0 ) { continue ; } ans = advMod ( ans + combi ( tmpX * tmpY , sum ) * ( Integer . bitCount ( i ) % 2 == 0 ? 1 : - 1 ) ) ; } ans = advMod ( ans * combi ( sum , desk ) ) ; ans = advMod ( ans * ( row - x + 1 ) * ( column - y + 1 ) ) ; System . out . println ( ( ans + mod ) % mod ) ; }
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