#include <iostream>
#include <vector>
#include <cmath>
using namespace std;
int main()
{
    vector<char> v1;
    while (1)
    {

        char a;
        cin >> a;
        if (a == 'E')break;
        v1.push_back(a);
    }
    int a, b;
    a = 0; b = 0;
    for (vector<char>::iterator t = v1.begin(); t != v1.end(); t++)
    {

        if (a < 11 && b < 11)
        {
            if (*t == 'W')a++;
            else if (*t == 'L') b++;
        }
        if (max(a, b) >=11 && abs(a - b) >= 2) { cout << a << ":" << b << endl; a = 0; b = 0; }

    }
    if (a > 0 || b > 0)cout << a << ":" << b << endl;
    cout << endl;
    int c, d;
    c = 0; d = 0;
    for (vector<char>::iterator t = v1.begin(); t != v1.end(); t++)
    {

        if (c < 21 && d < 21)
        {
            if (*t == 'W')c++;
            else if (*t == 'L') d++;
        }
        if (max(c,d) >=21 && abs(c - d) >= 2) { cout << c << ":" << d << endl; c = 0; d = 0; }

    }
    if (c > 0 || d > 0)cout << c << ":" << d << endl;
    return 0;
}