public static void main ( String args [ ] ) {
  Scanner s = new Scanner ( System . in ) ;
  int n = s . nextInt ( ) ;
  int arr [ ] = new int [ n ] ;
  int dp [ ] = new int [ 500 ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    arr [ i ] = s . nextInt ( ) ;
    dp [ arr [ i ] ] ++ ;
  }
  int m = s . nextInt ( ) ;
  int bar [ ] = new int [ m ] ;
  for ( int i = 0 ;
  i < m ;
  i ++ ) {
    bar [ i ] = s . nextInt ( ) ;
    dp [ bar [ i ] ] ++ ;
  }
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    for ( int j = 0 ;
    j < m ;
    j ++ ) {
      if ( dp [ bar [ j ] + arr [ i ] ] == 0 ) {
        System . out . println ( arr [ i ] + " " + bar [ j ] ) ;
        return ;
      }
    }
  }
}

public static void main ( String args [ ] ) { Scanner s = new Scanner ( System . in ) ; int n = s . nextInt ( ) ; int arr [ ] = new int [ n ] ; int dp [ ] = new int [ 500 ] ; for ( int i = 0 ; i < n ; i ++ ) { arr [ i ] = s . nextInt ( ) ; dp [ arr [ i ] ] ++ ; } int m = s . nextInt ( ) ; int bar [ ] = new int [ m ] ; for ( int i = 0 ; i < m ; i ++ ) { bar [ i ] = s . nextInt ( ) ; dp [ bar [ i ] ] ++ ; } for ( int i = 0 ; i < n ; i ++ ) { for ( int j = 0 ; j < m ; j ++ ) { if ( dp [ bar [ j ] + arr [ i ] ] == 0 ) { System . out . println ( arr [ i ] + " ▁ " + bar [ j ] ) ; return ; } } } }
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