#include<math.h>
#include<ctype.h>
#include<algorithm>
#include<bitset>
#include<cassert>
#include<cctype>
#include<cerrno>
#include<cfloat>
#include<ciso646>
#include<climits>
#include<clocale>
#include<complex>
#include<csetjmp>
#include<csignal>
#include<cstdarg>
#include<cstddef>
#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<ctime>
#include<cwchar>
#include<cwctype>
#include<deque>
#include<exception>
#include<fstream>
#include<functional>
#include<iomanip>
#include<ios>
#include<iosfwd>
#include<iostream>
#include<istream>
#include<iterator>
#include<limits>
#include<list>
#include<locale>
#include<map>
#include<memory>
#include<new>
#include<numeric>
#include<ostream>
#include<queue>
#include<set>
#include<sstream>
#include<stack>
#include<stdexcept>
#include<streambuf>
#include<string>
#include<typeinfo>
#include<utility>
#include<valarray>
#include<vector>
#include<string.h>
#include<stdlib.h>
#include<stdio.h>
#define LL long long
using namespace std;
char x;
int a11[1000],b11[1000],a21[1000],b21[1000],count11,count21,s11,s21;
int main(){
cin>>x;
s11=1;
s21=1;
while(x!='E'){
if(x=='W'){
if(count11<11){
count11++;
a11[s11]++;
}
else if(count11==11){
count11=1;
s11++;
a11[s11]++;
}
if(count21<21){
count21++;
a21[s21]++;
}
else if(count21==21){
count21=1;
s21++;
a21[s21]++;
}
}
if(x=='L'){
if(count11<11){
count11++;
b11[s11]++;
}
else if(count11==11){
count11=1;
s11++;
b11[s11]++;
}
if(count21<21){
count21++;
b21[s21]++;
}
else if(count21==21){
count21=1;
s21++;
b21[s21]++;
}
}
cin>>x;
}
for(int i=1;i<=s11;i++){
cout<<a11[i]<<":"<<b11[i]<<endl;
}
cout<<"\n";
for(int i=1;i<=s21;i++){
cout<<a21[i]<<":"<<b21[i]<<endl;
}
return 0;
}
#include<math.h>
#include<ctype.h>
#include<algorithm>
#include<bitset>
#include<cassert>
#include<cctype>
#include<cerrno>
#include<cfloat>
#include<ciso646>
#include<climits>
#include<clocale>
#include<complex>
#include<csetjmp>
#include<csignal>
#include<cstdarg>
#include<cstddef>
#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<ctime>
#include<cwchar>
#include<cwctype>
#include<deque>
#include<exception>
#include<fstream>
#include<functional>
#include<iomanip>
#include<ios>
#include<iosfwd>
#include<iostream>
#include<istream>
#include<iterator>
#include<limits>
#include<list>
#include<locale>
#include<map>
#include<memory>
#include<new>
#include<numeric>
#include<ostream>
#include<queue>
#include<set>
#include<sstream>
#include<stack>
#include<stdexcept>
#include<streambuf>
#include<string>
#include<typeinfo>
#include<utility>
#include<valarray>
#include<vector>
#include<string.h>
#include<stdlib.h>
#include<stdio.h>