#include #include #include #include using namespace std; struct Note { string patterns[10]; string outputs[4]; friend istream &operator>>( istream &input, Note &n ) { for(int i = 0; i < 10; i++) { input >> n.patterns[i]; } for(int i = 0; i < 4; i++) { input >> n.outputs[i]; } return input; } }; int main() { Note note; int count = 0; while (cin >> note) { for(int i = 0; i < 4; i++) { switch(note.outputs[i].size()) { case 2: case 3: case 4: case 7: count++; break; default: break; } } } cout << count << endl; return 0; }