#include <iostream>
#include <string>
#include <regex>
using namespace std;


int main() {
	freopen("input.txt", "r", stdin);
	freopen("output.txt", "w", stdout);

	string stroke;

	regex regular(

		"([0-1]?[0-9]:[0-5][0-9]([\\s][a|p][m])?)|([2][0-3]:[0-5][0-9]([\\s][a|p][m])?)"

	);

	smatch m;

	while (getline(cin, stroke)) {
		while (regex_search(stroke, m, regular)) {
			cout << m[0] << endl;
			stroke = m.suffix().str();
		}
	}
}