50分求条 必关！！！

#include<bits/stdc++.h>
using namespace std;

char c;
string s;
int sum1,sum2,f;

int main()
{
	while(cin>>c)
	{
		s+=c; 
		if(c=='E') break;
	}
	for(int i=0;i<s.size();i++)
	{
		if(s[i]=='W') sum1++,f++;
		else if(s[i]=='L') sum2++,f++;
		else if(s[i]=='E') 
		{
			cout<<sum1<<':'<<sum2<<endl;
			break;
		}
		if(f==11) cout<<sum1<<':'<<sum2<<endl,sum1=0,sum2=0,f=0;
	}
	cout<<endl;
	sum1=0,sum2=0,f=0;
	for(int i=0;i<s.size();i++)
	{
		if(s[i]=='W') sum1++,f++;
		else if(s[i]=='L') sum2++,f++;
		else if(s[i]=='E') 
		{
			cout<<sum1<<':'<<sum2<<endl;
			break;
		}
		if(f==21) cout<<sum1<<':'<<sum2<<endl,sum1=0,sum2=0,f=0;
	}
	return 0;
}