#include<bits/stdc++.h>
using namespace std;
int W12[2501],L12[2501],W21[2501],L21[2501],id1=1,id2=1;
int main(){
	char s;
	while(cin>>s&&s!='E'){
		if(W12[id1]+L12[id1]>=11)
			id1++;
		if(W12[id1]+L12[id1]<11){
			if(s=='W')W12[id1]++;
			if(s=='L')L12[id1]++;
		}
		if(W21[id2]+L21[id2]>=21)
			id2++;
		if(W21[id2]+L21[id2]<21){
			if(s=='W')W21[id2]++;
			if(s=='L')L21[id2]++;
		}
	}
	for(int i=1;i<=id1;i++){
		cout<<W12[i]<<':'<<L12[i]<<endl;
	}
	cout<<endl;
	for(int i=1;i<=id2;i++){
		cout<<W21[i]<<':'<<L21[i]<<endl;
	}
	return 0;
}