#include <string>
#include <iostream>

using namespace std;

int main()
{
	char words_id[256];

	int word_id = 0, pos = 0;
	while (true)
	{
		char symbol = getchar();

		while (symbol == ' ')
			symbol = getchar();

		if (symbol == '.')
			break;
		bool is_word = true;
		while (symbol != ' ' && symbol != '.')
		{
			if (isdigit(symbol))
			{
				is_word = false;
			}
			symbol = getchar();
		}
		if (is_word)
		{
			words_id[pos++] = word_id + '0';
			words_id[pos++] = ' ';
		}
		if (symbol == '.')
			break;

		word_id++;
	}
	words_id[pos] = '\0';

	for (int i = 0; i < pos; i++)
		cout << words_id[i];
	return 0;
}