题目 

#include<iostream>
#include<string>
using namespace std;
int main() {
	int n;
	cin>>n;
	string name,year;
	int count=0;
	string mxname="",maxyear="1814/09/06",mnname="",minyear="2014/09/06";
	for(int i=0; i<n; ++i) {
		cin>>name>>year;
		if(year<"1814/09/06"||year>"2014/09/06")
			continue;
		count++;
		if(year>maxyear) {
			mxname=name;
			maxyear=year;
		}
		if(year<minyear) {
			mnname=name;
			minyear=year;
		}
	}
	if(count)//坑
		cout<<count<<" "<<mnname<<" "<<mxname;
	else cout<<0;
	return 0;
}