interface BuildingData {
        int woods = 0
        int stones = 0
        int gold = 0
    }

    struct Store extends BuildingData {
        int woods = 25
        int stones = 40
        int gold = 150
   }

    struct Building {
        BuildingData Data

        int GetResById1(int i) {
            if (i==1) { return= .Data.woods }
            elseif (i==2) { return .Data.stones }
            elseif (i==3) { return .Data.gold }
            return 0
        }

        int GetResById2(int i) {
            int count = 0
            if (i==1) { count = .Data.woods }
            elseif (i==2) { count = .Data.stones }
            elseif (i==3) { count = .Data.gold }
            return count
        }
    }