#include <iostream>
using namespace std;
int a[101], b[101], c[101], d[101];
 
int main() {
	int n;
	cin >> n;
	for (int i = 0; i < n; i++) {
		cin >> a[i] >> b[i] >> c[i];
		d[i] = a[i] * 3600 + b[i] * 60 + c[i];
	}
	for (int i = 0; i < n; i++) {
		for (int j = i + 1; j < n; j++) {
			if (d[i] > d[j]) {
				swap(a[i], a[j]);
				swap(b[i], b[j]);
				swap(c[i], c[j]);
				swap(d[i], d[j]);
			}
		}
	}
	for (int i = 0; i < n; i++) {
		cout << a[i] << " " << b[i] << " " << c[i] << endl;
	}
	return 0;
}

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3                           
23 56 45
21 45 54 
6 45 23