#include<iostream>
#include<algorithm>
using namespace std;

struct Student{
    int year, month, day, grade;
}stu[105];

bool cmp(Student a, Student b){
    if(a.grade != b.grade) return a.grade > b.grade;
    else if(a.year != b.year) return a.year < b.year;
    else if(a.month != b.month) return a.month < b.month;
    else return a.day < b.day;
}

int main(){
    int n;
    while(cin >> n){
        for(int i = 0; i < n; ++i){
            scanf("%d/%d/%d", &stu[i].year, &stu[i].month, &stu[i].day);
            cin >> stu[i].grade; 
        }
        sort(stu, stu+n, cmp);
        for(...