#include <iostream>
#include <list>
#include <vector>
#include <string>
#include <stdio.h>
#include <stdint.h>
#include <iomanip>
using namespace std;

using uint = unsigned int;
using ll = long long;

#define CIN( LL , A ) LL A; cin >> A 
#define GETLINE( A ) string A; getline( cin , A ) 
#define FOR_LL( VAR , INITIAL , FINAL_PLUS_ONE ) for( ll VAR = INITIAL ; VAR < FINAL_PLUS_ONE ; VAR ++ ) 
#define FOR_ITR( ARRAY , ITR , END ) for( auto ITR = ARRAY .begin() , END = ARRAY .end() ; ITR != END ; ITR ++ ) 
#define RETURN( LL , ANSWER ) const LL answer_for_contest = ( ANSWER ); cout << answer_for_contest << endl; return 0 

template <typename T> inline T Distance( const T& a , const ll& b ){ return a < b ? b - a : a - b; }

int main()
{

  CIN( string , A );
  CIN( string , S );
  const ll size = S.size();
  string answer = "";
  FOR_LL( i , 0 , size ){
    const string c = S.substr( i , 1 );
    bool b = true;
    FOR_LL( j , 0 , 10 ){
      if( c == to_string( j ) ){
	answer += A.substr( j , 1 );
	b = false;
	j = 10;
      }
    }
    if( b ){
      answer += c;
    }
  }
  RETURN( string , answer );

}