#include "bits/stdc++.h"
using namespace std;
bool ok(int d,int m,int y){
string d1 = to_string(d),m1 = to_string(m),y1 = to_string(y);
if (d < 10)
d1 = "0" + d1;
if (m < 10)
m1 = "0" + m1;
while (y1.size() < 4)
y1 = "0" + y1;
string s = d1+m1+y1;
string p = s;
reverse(p.begin(),p.end());
// cout << p << " " << s << "\n";
return p == s;
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
int t;
cin >> t;
// cout << ok(3,2,2030) << "-->\n";
while (t--){
string s;
cin >> s;
int ay[13] = {0,31,28,31,30,31,30,31,31,30,31,30,31};
int d = (s[0]-'0')*10+s[1]-'0';
int m = (s[3]-'0')*10+s[4]-'0';
int y = (s[6]-'0')*1000+(s[7]-'0')*100+(s[8]-'0')*10+s[9]-'0';
if (y%400==0 or (y%100 and y%4==0))
ay[2] = 29;
else ay[2] = 28;
while (1){
if (y%400==0 or (y%100 and y%4==0))
ay[2] = 29;
else ay[2] = 28;
d++;
if (d > ay[m]){
m++;
d = 1;
}
if (m > 12){
m=1;y++;
}
if (ok(d,m,y))
break;
}
cout << (d < 10 ? "0" : "") << d << "." << (m<10 ? "0" : "") << m << ".";
string y1 = to_string(y);
while (y1.size() < 4){
y1="0"+y1;
}
cout << y1 << "\n";
}
}
