#include <stdio.h>
#include <iostream>
#include <string.h>
using namespace std;
char a[100000],b[100000];
int main()
{
	cin.getline(a,100000);
	int len = strlen(a);
	a[len]= ' ';
	int num = 0 , flag = 0;
	for(int i = 0 ; i <= len ; i++)
	{
		if(a[i] != ' ')
			num++;
		else if(num != 0) 
		{
			if(flag)
				cout << ",";
			cout << num;
			flag = 1;
			num = 0;
		}
	}
}