#include <iostream> #include <algorithm> #include <iomanip> #include <map> #include <set> #include <queue> #include <stack> #include <numeric> #include <bitset> #include <cmath> #include <limits> static const int MOD = 1000000007; using ll = long long; using u32 = uint32_t; using namespace std; template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208; int main() { int a, b, c, d, e, f; cin >> a >> b >> c >> d >> e >> f; cout << ":-" << char(-((a+c+e)&1) + ')') << "\n"; return 0; }