#include <bits/stdc++.h>
using namespace std;
int n, m;
string s;

int main()
{
    cin >> s;
    n = s.size();
    for (int i = 0; i < n; i++)
    {
        cout << s[i];

        if (s[i] == s[i + 1])
        {
            for (int j = i; j < n; j++)
            {
                n++;
                m = j;
            }
            i = n + m;
            cout << ";" << n << ";";
            n = 0;
            m = 0;
        }
    }
}