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487 B

#include <bits/stdc++.h>
using namespace std;
const int N = 110;
struct Node {
int id;
int score;
const bool operator<(const Node &b) const {
if (score == b.score) return id < b.id;
return score > b.score;
}
} a[N];
int main() {
int n;
cin >> n;
for (int i = 1; i <= n; i++) cin >> a[i].id >> a[i].score;
sort(a + 1, a + 1 + n);
for (int i = 1; i <= n; i++) printf("%d %d\n", a[i].id, a[i].score);
return 0;
}