#include <iostream>
#include <stdio.h>
#include <fstream>
#include <string>
using namespace std;

void print_lengths(std::string const& line)
{
	unsigned int counter=0;

	for (unsigned int i = 0; i < strlen(line.c_str()); i++)
	{
		if ( (line[i]!=' ') && (line[i]!='.') && (line[i]!='\n') )
		{
			cout<<line[i];
			counter++;
		}
		else
		{
			cout<<counter<<" ";
			counter=0;
		}
	}
}
int main()
{
	//std::string string1;
	//std::ifstream ist("input.txt");
	//
	//while(ist.eof()==false)
	//{
	//	std::getline (ist,string1);
	//	std::cout << string1<<"\n";
	//}

	print_lengths("aaa bbbb ccccc dddddd");


	return 0;
}