#include <iostream> 
#include <fstream>
#include <iomanip>

using namespace std;

const int MAX = 100;
ifstream infile;

class List 
{
	string name [MAX];
	string ssn [MAX];
	int length;
public: 
	List()
	{
		length = 0;
	}
	int Length() const
	{
		return length;
	}
	void Insert(string aName, string aSsn)
	{
		name[length] = aName;
		ssn[length] = aSsn;
		length ++;
	}
	void Print() const; 
	
};

void List :: Print() const
{
	for( int k=0; k < length; k++)
		cout << name[k] << setw(50 - name[k].length() )
			<< ssn[k] << endl;
}

int main(int argc, char* argv[])
{
	infile.open("in.txt");
	if(!infile)
	{	
		cout << "Error to open the file!\n";
		getchar();
		exit(0);
	}

	List myList;
	string nameString;
	string ssnString;

	infile >> ssnString;
	getline (infile, nameString);
	while(infile)
	{
		myList.Insert(nameString, ssnString);
		infile >> ssnString;
		getline(infile, nameString);
	}

	myList.Print();

	return 0;
}