text: #include<iostream>
  using namespace std;
  class Arithmetic{
      private:
          int a;
          int b;
      
      public:
          Arithmetic(int a, int b);
          int add();
          int sub();
  };
  
  // Defination 
  Arithmetic::Arithmetic(int a,int b){
      this->a =a;
      this->b=b;
  }
  
  int Arithmetic::add(){
      int c;
      c=a+b;
      return c;
  
  }
  
  int Arithmetic::sub(){
      int c;
      c=a-b;
      return c;
  }
  
  int main(){
      int a=5, b=6;
      Arithmetic r(5,6);
      cout<<" Sum :"<<r.add()<<endl;
      cout<<" Sub :"<<r.sub()<<endl;
      return 0;
  }
  