#include <fstream>
#include <vector>
#include <string>
#include <time.h>
using namespace std;
ifstream cin("R.in");
ofstream cout("R.out");

int n,m;
string s;
char ans[1200007];

int p[1200007];
int book[1200007];
/*
class R
{
public:
	string name;
	
};
*/
int cyf()
{	
	
	int i,j;
 
	cin >> n;
	for(i = 1;i <= n;i++)
	{
		
		int t,k,l;
		int jj = -99;
		cin >> s >> k;
		l = s.length();
		for(;k >= 1;k--)
		{
			cin >> t;
			t--;
			m = max(t,m);
			for(j = max(jj,t);j < t+l;j++)
			{
				ans[j] = s[j-t];
			}
			jj = t+l-1;
		}			
	}
	for(i = 0;i <= m;i++)
	{
		if(ans[i] == 0)
			ans[i] = 'a';
	}
	cout << ans << endl;
	cin.close();	
	cout.close();
	return 0;
}
int hhhh = cyf();
int main() {;}