#include<bits/stdc++.h> using namespace std; char str[100010]; int t = 0; void f(int n) { int a=0, b = 0; for(int i = 0; i < t; i++) { if(str[i] == 'W') a++; if (str[i] == 'L') b++; if((a>=n||b>=n)&&abs(a-b)>=2) { cout << a << ":" << b << endl; a = 0; b = 0; } } cout << a << ":" << b << endl; } int main() { char ch; while (cin >> ch && ch != 'E') { if (ch == 'W' || ch == 'L') { str[t++] = ch; } } f(11); cout << endl; f(21); return 0; }