text: /**
  * @file arc139-b.cpp
  * @brief ARC139 Problem X
  * @author Keitaro Naruse
  * @date 2022-04-24
  * @copyright MIT License
  * @details https://atcoder.jp/contests/arc139/tasks/arc139_b
  */
  
  // # Solution
  
  #include <iostream>
  #include <string>
  #include <vector>
  #include <algorithm>
  
  template< class K, class V >
  std::ostream& operator<<( std::ostream& os, const std::pair< K, V >& p )
  {
      os << "( " << p.first << ", " << p.second << " )";
      return( os );
  }
  
  template< class T >
  std::ostream& operator<<( std::ostream& os, const std::vector< T >& v )
  {
      for( const auto& k : v ) {
          os << k << " ";
      }
      return( os );
  }
  
  template< class T >
  std::ostream& operator<<( std::ostream& os, const std::vector< std::vector< T > > & vv )
  {
      for( const auto& v : vv )  {
          os << v << std::endl;
      }
      return( os );
  }
  
  int main()
  {
      //  Read N = [ 1, 10^9 ]
      int N;
      std::cin >> N;
  
      //  Read Ai = [ 0, 10^9 ]
      std::vector< int > A( N );
      for( int i = 0; i < N; i ++ ) {
          std::cin >> A.at( i );
      }
  
      //  Read | S | = [ 1, 10^6 ]
      std::string S;
      std::cin >> S;
  
      //  Main
      int answer = 0;
      std::cout << answer << std::endl;
  
      //  Finalize
      return( 0 );
  }
  