#include <iostream>
#include <fstream>
#include <cstring>
#define ROW 4
using namespace std ;


int main ()
{
	
	string code [ROW]; 
	char name [100] ,a ;
	ifstream inp ("subjects.txt") ;
	
	inp >> a >> a ;
	
	for (int i = 0 ; i < ROW ; i ++ )
	{
		inp >> code [i] ;
		getline(inp ,name[i]) ;
		
		cout << code [i] << name[i] << endl ;
	}
	
	
	return 0 ; 
}