#include <bits/stdc++.h>
#ifdef _DEBUG
#include "debug.hpp"
#else
#define debug(...)
#endif
#define fastIO (cin.tie(0), cout.tie(0), ios::sync_with_stdio(false))
#define precise(i) fixed << setprecision(i)
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
using namespace std;


tuple<int, int, int> dateToInt(string date) {
  return {
    stoi(date.substr(0, 4)),
    stoi(date.substr(5, 2)),
    stoi(date.substr(8, 2)),
  };
}


void ans(int year, int month, int day) {
  int days[13] {
    0, 31, 28, 31, 30, 31, 30,
       31, 31, 30, 31, 30, 31,
  };

  // is leap year?
  if((year % 400 == 0) || (year % 4 == 0 && year % 100 != 0)) {
    days[2] += 1;
  }

  day += 2;
  if(day > days[month]) {
    day -= days[month];
    month += 1;
    if(month > 12) {
      year += 1;
      month = 1;
    }
  }

  cout << year << "/";

  if(month < 10)
    cout <<  "0" << month;
  else
    cout << month;
  cout << "/";

  if(day < 10)
    cout << "0" << day;
  else
    cout << day;
  cout << '\n';
}

void solve() {
  string date;
  cin >> date;

  int year, month, day;
  tie(year, month, day) = dateToInt(date);
  ans(year, month, day);
}

void wrapper() {
  int loop;
  cin >> loop;
  for (int i = 0; i < loop; i++) {
    auto start = chrono::steady_clock::now();
    cout << "[TEST " << i + 1 << "]\n";
    solve();
    auto end = chrono::steady_clock::now();
    chrono::duration<double> elapsed = end - start;
    cout << "[elapsed : " << elapsed.count() << "]" << '\n';
  }
}

int main() {
  fastIO;
#ifdef _DEBUG
  wrapper();
#else
  solve();
#endif
}