#include <iostream>
using namespace std;
int main() {
// your code goes here
string s="LCLLC";
int countL=0;
int countLC=0;
for(int i=0;i<s.size();i++){
if(s[i]=='L'){
countL++;
}
if(s[i]=='C'){
countLC=countL+countLC;
}
}
cout<<countLC;
return 0;
}
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