#include<bits/stdc++.h>
using namespace std;
int score[(int)1e7]; 
int win,lose;
int main(){
    char temp;
    int n=1;
    while(1){
        cin>>temp;
        if(temp=='W'){
            score[n++]=1;
        }
        if(temp=='L'){
            score[n++]=2;
        }
        if(temp=='E'){
            score[n++]=-1;
            break;
        }
    }
    for(int i=1;i<=n;i++){
        if(score[i]==1){
            win++;
        }
        if(score[i]==2){
            lose++;
        }
        if((win+lose>=11&&abs(win-lose)>=2)||score[i]==-1){
            cout<<win<<":"<<lose<<endl;
            win=lose=0;
        }
    }
    cout<<endl;
    for(int i=1;i<=n;i++){
        if(score[i]==1){
            win++;
        }
        if(score[i]==2){
            lose++;
        }
        if((win+lose>=21&&abs(win-lose)>=2)||score[i]==-1){
            cout<<win<<":"<<lose<<endl;
            win=lose=0;
        }
    }
    return 0;
}