#include <iostream>
#include <cstring>
#include <algorithm>
using namespace std;
int main()
{
string s;
cin>>s;
int year,month;
if(s.size()==4){
year = stoi(s.substr(0,2));
if(year<22)
cout<<year+2000<<"-"<<s.substr(2);
else
cout<<year+1900<<"-"<<s.substr(2);
}
if(s.size()==6){
year = stoi(s.substr(0,4));
cout<<year<<"-"<< s.substr(4);
}
return 0;
}