#include <bits/stdc++.h>
using namespace std;
/*
	模拟，统计， 输出

*/
char a[62505];
int main () {
	int len=0;
	while (a[len] != 'E') {
		cin >> a[++len];
	}
	if(a[1] == 'E') {
		cout << "0:0" << endl;
		cout << endl << "0:0";
		return 0;
	}
	
	int cnt=0;
	int w=0, l=0;

	// 11 分制
	for(int i=1; i<=len-1; i++) {
		if(a[i] == 'W') {
			++ cnt;
			w ++;
		} else if(a[i] == 'L') {
			++ cnt;
			l ++;
		}
		if(cnt == 11 || i == len-1) {
			cout << w << ":" << l << endl;
			w = 0, l = 0, cnt = 0;
		}
	}
	w = 0;
	l = 0;
	cnt = 0;

	// 21 分制
	cout << endl;
	for(int i=1; i<=len-1; i++) {
		if(a[i] == 'W') {
			++ cnt;
			w ++;
		} else if(a[i] == 'L') {
			++ cnt;
			l ++;
		}
		if(cnt == 21 || i == len-1) {
			cout << w << ":" << l << endl;
			w = 0, l = 0, cnt = 0;
		}
	}
	return 0;
}