public static void main ( String args [ ] ) {
  Scanner scan = new Scanner ( System . in ) ;
  int n = scan . nextInt ( ) ;
  String [ ] arr = new String [ n ] ;
  int temp = n ;
  scan . nextLine ( ) ;
  int j = 0 ;
  while ( n -- != 0 ) {
    String s = scan . nextLine ( ) ;
    arr [ j ] = s ;
    j ++ ;
  }
  int c = 0 , m = 0 , index = - 1 ;
  int k = 0 ;
  while ( temp -- != 0 ) {
    if ( arr [ k ] . equals ( arr [ 0 ] ) ) {
      c ++ ;
    }
    else {
      index = k ;
      m ++ ;
    }
    k ++ ;
  }
  if ( c > m ) {
    System . out . print ( arr [ 0 ] ) ;
  }
  else {
    System . out . print ( arr [ index ] ) ;
  }
}

public static void main ( String args [ ] ) { Scanner scan = new Scanner ( System . in ) ; int n = scan . nextInt ( ) ; String [ ] arr = new String [ n ] ; int temp = n ; scan . nextLine ( ) ; int j = 0 ; while ( n -- != 0 ) { String s = scan . nextLine ( ) ; arr [ j ] = s ; j ++ ; } int c = 0 , m = 0 , index = - 1 ; int k = 0 ; while ( temp -- != 0 ) { if ( arr [ k ] . equals ( arr [ 0 ] ) ) { c ++ ; } else { index = k ; m ++ ; } k ++ ; } if ( c > m ) { System . out . print ( arr [ 0 ] ) ; } else { System . out . print ( arr [ index ] ) ; } }
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