#include<bits/stdc++.h>
using namespace std;
string s;
int main(){
    getline(cin,s,'E');
    int sy_h=0,sy_d=0,js=0;
    while(0){
        if(s[js]=='E'){
            break;
        }
        if(s[js]=='W'){
            sy_h++;
        }else{
            sy_d++;
        }
        if(sy_h==11||sy_d==11){
            cout<<sy_h<<':'<<sy_d<<endl;
            sy_h=0;
            sy_d=0;
        }
    }
    cout<<sy_h<<':'<<sy_d<<endl;
    sy_h=0;
    sy_d=0;
    cout<<endl;
    while(0){
        if(s[js]=='E'){
            break;
        }
        if(s[js]=='W'){
            sy_h++;
        }else{
            sy_d++;
        }
        if(sy_h==21||sy_d==21){
            cout<<sy_h<<':'<<sy_d<<endl;
            sy_h=0;
            sy_d=0;
        }
    }
    cout<<sy_h<<':'<<sy_d<<endl;
    return 0;
}