#include <bits/stdc++.h>
using namespace std;
int main()
{
	string s;
	while (getline(cin, s))
	{
		int count = 0, flag = 0;
		for (int i = 0; i < s.length(); ++i)
		{
			if (s[i] >= 'a' && s[i] <= 'z' || s[i] >= 'A' && s[i] <= 'Z')
			{
				if (flag == 0)
					flag = 1;
				count++;
			}
			else
				flag = 0;
			if (flag == 0 && count != 0)
			{
				cout << count << " ";
				count = 0;
			}
			if (s[i] == '.')
				break;
		}
		cout << endl;
	}
	return 0;
}