#include<iostream>
#include<string.h>
#include<cmath>
using namespace std;
int main(){
	string s;
	char game[63000];
	int i=0,l=0,t=0,j1;
	while(cin>>s&&i<2500){
		for(int j=0;j<s.length();j++){
			if(s[j]!='E')
			game[l+j]=s[j];
			else{
				t=1;
				j1=j;
				break;
			}
		}
		if(t==1){
			l+=j1;
			break;
		}
		l+=s.length();
		i+=1;
	}
	if(l==0){
		cout<<"0:0"<<endl;
		cout<<endl;
		cout<<"0:0"<<endl;
	}
	else{
		int w=0,w1=0;
		for(int j=0;j<l;j++){
			if(game[j]=='W')
			w++;
			else
			w1++;
			if(((w>=11||w1>=11)&&abs(w-w1)>=2)||j==l-1){
				cout<<w<<":"<<w1<<endl;
				w=0;
				w1=0;
			}
		}
		cout<<endl;
		for(int j=0;j<l;j++){
			if(game[j]=='W')
			w++;
			else
			w1++;
			if(((w>=21||w1>=21)&&abs(w-w1)>=2)||j==l-1){
				cout<<w<<":"<<w1<<endl;
				w=0;
				w1=0;
			}
		}
    }
	return 0;
}