#include<bits/stdc++.h>
using namespace std;
int main()
{
    int l=0,w=0;
    string p;
    cin>>p;
    for(int i=1;i<=p.size();i++)
    {
        if(p[i]=='W') w++;
        else if(p[i]=='L') l++;
        else break;
        if(i%11==0) cout<<w<<':'<<l<<endl;
    }
    for(int i=1;i<=p.size();i++)
    {
        if(p[i]=='W') w++;
        else if(p[i]=='L') l++;
        else break;
        if(i%21==0) cout<<w<<':'<<l<<endl;
    }
    return 0;
}