#include // #include using namespace std; // using bigint = boost::multiprecision::cpp_int; template using min_priority_queue = priority_queue,greater>; random_device seed_gen; mt19937 engine(seed_gen()); int64_t get_time_ns(){ struct::timespec t; clock_gettime(CLOCK_MONOTONIC, &t); return t.tv_sec * int64_t(1'000'000'000) + t.tv_nsec; } int main() { int h, w; cin >> h >> w; vector S(h, string()); for(auto &s : S) cin >> s; int ans = 0; for(auto &s : S) { for(auto &c : s) { if(c == 'W') ans++; } } cout << ans << endl; return 0; }