#include<bits/stdc++.h>
using namespace std;
string s,s1;
int ans;
int main()
{
    while (cin>>s)
    {
        ans=s.size();
        s1+=ans;
        s1+=',';
    }
    int a=s1.size()-1;
    s1.erase(a);
    cout<<s1;
    return 0;
}