#include<bits/stdc++.h>
#define f(n) for(int i=1;i<=n;i++)
using namespace std;
char c;
int a[114514],t,x=0,y=0;
int main(){
    while(true){
    	cin>>c;
    	if(c=='E')break;
    	if(c=='W')a[++t]++;
    	if(c=='L')t++;
	}
	f(t){
		x+=a[i],y+=(1-a[i]);
		if(i%11==0||i==t){
			cout<<x<<":"<<y<<endl;
			x=0,y=0;
		}
	}
	cout<<endl;
	f(t){
		x+=a[i],y+=(1-a[i]);
		if(i%21==0||i==t){
			cout<<x<<":"<<y<<endl;
			x=0,y=0;
		}
	}
	return 0;
}