#include<bits/stdc++.h> using namespace std; int main(){ cout<<"1001"<<endl; cout<<"1111"<<endl; cout<<"1221"<<endl; cout<<"1331"<<endl; cout<<"1441"<<endl; cout<<"1551"<<endl; cout<<"1661"<<endl; cout<<"1771"<<endl; cout<<"1881"<<endl; cout<<"1991"<<endl; return 0; }