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class SumClass
{
  int A, B;
  public:
  void Set_A(int A) {this->A = A;}
  void Set_B(int B) {this->B = B;}
  int Sum() {return A+B;}
}
class MultiSumClass
{
  SumClass Sum;
  int count;
  public:
  void Set_A(int A) {Sum.Set_A(A);}
  void Set_B(int B) {Sum.Set_B(B);}
  void Set_Count(int count) {this->count = count;}
  
  int GetSum() {return Sum->Sum()*count;}
}
void main()
{
   MultiSumClass MSC;
   MSC.Set_A(5); MSC.Set_B(10);
   MSC.Set_Count(2);
   cout << MSC.GetSum();
}
                                    
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