#include <bits/stdc++.h>
using namespace std;
struct s
{
    string name;
    int c;
} a[105];
bool cmp(s a,s b)
{
    if(a.c == b.c)
    {
        if(int(char(a.name[1])) < int(char(b.name[1]))) return a.c > b.c;
        else return a.c < b.c;
    }
    return a.c > b.c;
}
int main()
{
    int n;
    cin >> n;
    for(int i = 1;i <= n;i++) cin >> a[i].name >> a[i].c;
    sort(a + 1,a + n + 1,cmp);
    for(int i = 1;i <= n;i++) cout << a[i].name << " " << a[i].c << endl;
    return 0;
}