include

using namespace std;

/* * Complete the 'timeConversion' function below. * * The function is expected to return a STRING. * The function accepts STRING s as parameter. */

string timeConversion(string s) { string period = s.substr(8, 2); // Extract AM or PM string hour_str = s.substr(0, 2); int hour = stoi(hour_str); string remaining = s.substr(2, 6); // Remaining part after hour (":MM:SS")

if (period == "AM") {
    if (hour == 12) {
        hour_str = "00";
    }
} else { // PM case
    if (hour != 12) {
        hour += 12;
        hour_str = to_string(hour);
    }
}

return hour_str + remaining;

}

int main() { ofstream fout(getenv("OUTPUT_PATH"));

string s;
getline(cin, s);

string result = timeConversion(s);

fout << result << "\n";

fout.close();

return 0;

}