# include<bits/stdc++.h>
using namespace std;
int a, b;
int main(){
	string s1, s;
	while(1){
		cin >> s1;
		s += s1;
		if(s1[s1.length() - 1] == 'E') break;
	}
	if(s[0] == 'E'){
		cout << "0:0" << endl << endl << "0:0";
		return 0;
	}
	for(int i = 0; i < s.length() - 1; i++){
		if(s[i] == 'W') a++;
		else b++;
		if((i + 1) % 11 == 0){
			cout << a << ":" << b << endl;
			a = 0, b = 0;
		}
	}
	if(a != 0 || b != 0) cout << a << ":" << b << endl;
	else cout << "0:0" << endl ;
	cout << endl;
	a = 0, b = 0;
	for(int i = 0; i < s.length() - 1; i++){
		if(s[i] == 'W') a++;
		else b++;
		if((i + 1) % 21 == 0){
			cout << a << ":" << b << endl;
			a = 0, b = 0;
		}
	}
	if(a != 0 || b != 0) cout << a << ":" << b << endl;
	else cout << "0:0" << endl;
	return 0;
	
} 

小声问一句，MLE是什么意思