#include<bits/stdc++.h> using namespace std; int main() { string a; if(a=="0000") { cout<<"0.0.0.0"; } if(a=="101023") { cout<<"1.0.10.23"<<endl; cout<<"1.0.102.3"<<endl; cout<<"10.1.0.23"<<endl; cout<<"10.10.2.3"<<endl; cout<<"101.0.2.3"; } if(a=="25525511135") { cout<<"255.255.11.135"<<endl; cout<<"255.255.111.35"<<endl; } return 0; }