#include<iostream>
using namespace std;
int main()
{
	char wl;
	char l[1000000],w[1000000];
	int i=1,j=1,w1=0,l1=0,p=0;
	cin>>wl;
	while(wl!='E')
	{
		if(wl=='W')
		{
			w[i]=1;
		}
		if(wl=='L')
		{
			l[i]=1;
		}
		cin>>wl;
		i++;
	}
	for(j=1;j<i;j++)
	{
		if(w[j]==1)
		{
			w1+=1;
		}
		if(l[j]==1)
		{
			l1+=1;
		}
		if(l1==11 or w1==11)
		{
			cout<<w1<<":"<<l1<<endl;
			l1=0;
			w1=0;
			p++;
		}
	}
	if(w1>0 or l1>0 or p==0)
	{
		cout<<w1<<":"<<l1<<endl;
	}
	cout<<endl;
	w1=0;l1=0;
	for(j=1;j<i;j++)
	{
		if(w[j]==1)
		{
			w1+=1;
		}
		if(l[j]==1)
		{
			l1+=1;
		}
		if(l1==21 or w1==21)
		{
			cout<<w1<<":"<<l1<<endl;
			l1=0;
			w1=0;
			p++;
		}
	}
	if(w1>0 or l1>0 or p==0)
	{
		cout<<w1-1<<":"<<l1;
	}
}