#define _USE_MATH_DEFINES #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include typedef long long int ll; //#include using namespace std; int main() { int Q; Q = 1; //cin >> Q; while (Q--) { string p; cin >> p; int i = 0; double a = 0, b = 0; while (p[i] != '/') { a *= 10; a += p[i] - '0'; i++; } i++; while (i < p.size()) { b *= 10; b += p[i] - '0'; i++; } cout << setprecision(20); cout << a / b; } return 0; }