# include<bits/stdc++.h>
using namespace std;
int n, m, n1, l;
int main(){
	string s1, s;
	while(1){
		cin >> s1;
		s += s1;
		n1 += s1.length();
		if(s[n1 - 1] == 'E') break;
	}
	int h =  n1 - 2;
	for(int i = 0; i <= h; i++){
		if(s[i] == 'W') m++;
		if(s[i] == 'L') n++;
		if((i + 1) % 11 == 0){
			cout << m << ":" << n << endl;
			m = 0, n = 0;
			l++;
		}
	}
	m = 0, n = 0;
	for(int i = l * 11; i <= n1 - 1; i++){
		if(s[i] == 'W') m++;
		if(s[i] == 'L') n++;
	}
	cout << m << ":" << n << endl << endl;
	n = 0, m = 0, l = 0;
	for(int i = 0; i <= h; i++){
		if(s[i] == 'W') m++;
		if(s[i] == 'L') n++;
		if((i + 1) % 21 == 0){
			cout << m << ":" << n << endl;
			m = 0, n = 0;
			l++;
		}
	}
	m = 0, n = 0;
	for(int i = l * 21; i <= n1 - 1; i++){
		if(s[i] == 'W') m++;
		if(s[i] == 'L') n++;
	}
	cout << m << ":" << n << endl << endl;
	return 0;
}