#include <cstdio>
int mas[100];
int main() {
    int w, j, m, a, b, c, n;
    freopen("INPUT.TXT", "r", stdin);
    freopen("OUTPUT.TXT", "w", stdout);
    scanf("%d\n", &n);
    for (int i = 0; i < n; i++) {
        scanf ("%d %d %d", &a, &b, &c);
        mas[i] = 3600 * a + 60 * b + c;
    }
    for (int v = 0; v < n; v++)
        for (j = 1; j < n; j++) {
            m = j - 1;
            if (mas[m] > mas[j]) {
                w = mas[j];
                mas[j] = mas[m];
                mas[m] = w;
            }
        }

    for (int f = 0; f < n; f++) {
        int r = mas[f] / 3600;
        int t = (mas[f] - ((mas[f] / 3600) * 3600)) / 60;
        int y = mas[f] - ((mas[f] / 3600) * 3600) - (((mas[f] - ((mas[f] / 3600) * 3600)) / 60) * 60);
        printf("%d %d %d\n", r, t, y);
    }
    return 0;
}