/*
 * Author: Luca Risolia
 *
 * Created on 15th July 2010
 */

#include <iostream>

using namespace std;

struct Date {
    unsigned int dd, mm, year;
};

Date read() {
    Date d;
    cin >> d.dd >> d.mm >> d.year;
    return d;
}

void init(Date& out, const int dd, const int mm, const int year) {
    out.dd = dd;
    out.mm = mm;
    out.year = year;
}

void write(const Date& d) {
    cout << d.dd << '/' << d.mm << '/' << d.year << endl;
}

int main(int argc, char** argv) {
    Date d;
    init(d, 1, 1, 1970);
    d = read();
    write(d);
    return 0;
}