#include #include #include #include #include #include #include #include using namespace std; #define int long long #define endl "\n" constexpr long long INF = (long long)1e18; constexpr long long MOD = 1'000'000'007; struct fast_io { fast_io(){ std::cin.tie(nullptr); std::ios::sync_with_stdio(false); }; } fio; signed main(){ cout< a, ans; string S; int N, M; cin>>N>>M; a.resize(N); ans.resize(N); for(int i = 0; i < N; i++){ cin>>a[i]; } cin>>S; for(int i = 0; i < S.size(); i++){ if(S[i] == 'L') { if(now == 0) { if(a.size() >= 2) { a[1] += a[0]; a.pop_front(); } } else { now--; } } else { if(now + a.size() == N) { if(a.size() >= 2) { a[a.size()-2] += a[a.size()-1]; a.pop_back(); // cout<<"a.size() "<