#include <bits/stdc++.h>
using namespace std;

int main(){
	vector<string> v;
	int m;
	string tmp;
	cin>>m;
	while(m--){
		cin>>tmp;
		v.insert(v.begin(),tmp);
		for(int i = 0; i < v.size() && i < 4; i++){
			cout<<i+1<<"="<<v[i]<<" ";
		}
		cout<<endl;
	}

}