#include<iostream>
#include<algorithm>
#include<cstring>
#include<string>
#include<math.h>
using namespace std;
string s[21011],m;
int main()
{
	int num =0;
	while (getline(cin, s[++num])) {}
	int len = log10(num);
	for (int i = 1;i <= num;i++) {
		 
		for (int j = log10(i);j < len;j++) {
			cout << " ";
		}
		cout << i << " ";
		cout << s[i]<< endl;
	}
	return 0;
}