/* -*- coding: utf-8 -*-
 *
 * 1795.cc:  No.1795 AtCoder Heuristic Rating coloring - yukicoder
 */

#include<cstdio>
#include<string>
#include<map>
#include<algorithm>
 
using namespace std;

/* constant */

/* typedef */

typedef map<string,int> msi;

/* global variables */

msi nms;

/* subroutines */

/* main */

int main() {
  int n, m;
  scanf("%d%d", &n, &m);

  for (int i = 0; i < n + m; i++) {
    char s[32];
    int a;
    scanf("%s%d", s, &a);
    nms[string(s)] = a;
  }

  for (auto na: nms) printf("%s %d\n", na.first.c_str(), na.second);
  return 0;
}