#include <bits/stdc++.h>
struct Range {
  struct It {
    int num, step;
    int operator*() { return num; }
    void operator++() { num += step; }
    bool operator!=(const It& other) { return num != other.num; }
  };
  Range(int ee) : b(0), e(ee) {}
  Range(int bb, int ee) : b(bb), e(ee) {}
  It begin() { return {b, (b < e ? 1 : -1)}; }
  It end() { return {e, 0}; }
  int b, e;
};
template <typename T>
inline T& UMAX(T& x, T y) {
  if (x < y) x = y;
  return x;
}
template <typename T>
inline T& UMIN(T& x, T y) {
  if (y < x) x = y;
  return x;
}
template <typename T, typename... Args>
struct ArithmiticPromotion {
  typedef decltype(T() + typename ArithmiticPromotion<Args...>::type()) type;
};
template <typename T, typename U>
struct ArithmiticPromotion<T, U> {
  typedef decltype(T() + U()) type;
};
template <typename T>
struct ArithmiticPromotion<T, T> {};
template <typename T>
struct ArithmiticPromotion<T> {};
template <typename T, typename U>
typename ArithmiticPromotion<T, U>::T MAX(T a, U b) {
  return a < b ? b : a;
}
template <typename T, typename... Args>
typename ArithmiticPromotion<T, Args...>::T MAX(T a, Args... args) {
  return MAX(a, MAX(args...));
}
template <typename T, typename U>
typename ArithmiticPromotion<T, U>::T MIN(T a, U b) {
  return a < b ? a : b;
}
template <typename T, typename... Args>
typename ArithmiticPromotion<T, Args...>::T MIN(T a, Args... args) {
  return MIN(a, MIN(args...));
}
template <typename T>
struct ScanfSpecifier {};
template <>
struct ScanfSpecifier<char*> {
  static constexpr const char* value = "%s";
};
template <>
struct ScanfSpecifier<int> {
  static constexpr const char* value = "%d";
};
template <>
struct ScanfSpecifier<double> {
  static constexpr const char* value = "%lf";
};
template <>
struct ScanfSpecifier<float> {
  static constexpr const char* value = "%f";
};
template <>
struct ScanfSpecifier<char> {
  static constexpr const char* value = "%c";
};
template <>
struct ScanfSpecifier<const char*> {
  static constexpr const char* value = "%s";
};
template <>
struct ScanfSpecifier<unsigned long> {
  static constexpr const char* value = "%lu";
};
template <>
struct ScanfSpecifier<unsigned int> {
  static constexpr const char* value = "%u";
};
template <>
struct ScanfSpecifier<long long int> {
  static constexpr const char* value = "%lld";
};
template <typename T>
int RD(T& arg) {
  return std::scanf(ScanfSpecifier<T>::value, &arg);
}
template <int S>
int RD(char (&arg)[S]) {
  return std::scanf("%s", arg);
}
int RD(char* arg) { return std::scanf("%s", arg); }
template <>
int RD<char>(char& arg) {
  return std::scanf(" %c", &arg);
}
template <typename T, typename... Args>
int RD(T& arg1, Args&... args) {
  return RD(arg1) + RD(args...);
}
template <typename T>
T RD() {
  T ret;
  RD(ret);
  return ret;
}
template <typename It>
void RDV(It begin, It end) {
  while (begin != end) RD(*begin++);
}
template <typename C>
void RDV(C& c) {
  RDV(std::begin(c), std::end(c));
}
template <typename T>
void WT(T arg) {
  std::printf(ScanfSpecifier<T>::value, arg);
}
template <typename T, typename U>
void WT(std::pair<T, U> arg) {
  std::printf("(");
  WT(arg.first);
  std::printf(", ");
  WT(arg.second);
  std::printf(")");
}
template <typename... Args>
void WT(Args... args) {
  int alc = 0;
  int dummy[] = {((alc++ ? std::printf(" ") : 0), WT(args), 0)...};
}
template <typename... Args>
void WTL(Args... args) {
  WT(args...);
  std::printf("\n");
}
template <typename It>
void WTV(It begin, It end) {
  int alc = 0;
  while (begin != end) (alc++ ? std::printf(" ") : 0), WT(*begin++);
}
template <typename C>
void WTV(const C& c) {
  WTV(std::begin(c), std::end(c));
}
template <typename It>
void WTVL(It begin, It end) {
  WTV(begin, end);
  std::printf("\n");
}
template <typename C>
void WTVL(const C& c) {
  WTVL(std::begin(c), std::end(c));
}
using RG = Range;
using namespace std;
const int SIZE = 100009;
string T[SIZE];
vector<int> pos[SIZE];
char buf[2000009];
char ans[2000009];
int main() {
  int N;
  RD(N);
  set<int> r;
  int len = 0;
  for (int i : RG(N)) {
    RD(buf);
    T[i] = buf;
    int k;
    RD(k);
    for (int j : RG(k)) {
      int p;
      RD(p);
      pos[i].push_back(p - 1);
      UMAX(len, p + (int)T[i].size() - 1);
    }
  }
  for (int i : RG(len)) r.insert(i);
  for (int i : RG(N)) {
    for (int p : pos[i]) {
      auto it = r.lower_bound(p);
      while (it != r.end() && *it - p < (int)T[i].size()) {
        ans[*it] = T[i][*it - p];
        it = r.erase(it);
      }
    }
  }
  for (int i : RG(len))
    if (!ans[i]) ans[i] = 'a';
  WTL(ans);
}
