#include <iostream>
#include <string>

using namespace std;

int main()
{
	string str;

	while (getline(cin, str))
	{
		if(str == "END OF INPUT")    break;
		
		int cont = 0;
		for (int i=0; str[i] != '\0'; i++)
		{
			if(str[i] == ' ') {
				cout << cont;
				cont = 0;
			} else {
				cont++;
			}
		}

		cout << cont << endl;
	}

	return 0;
}