#include<iostream>
using namespace std;
class calculator
{
private:
int num1,num2;
public:
calculator(int x, int y)
{
num1=x;
num2=y;
}
friend class operation;
};
class operation
{
public:
int add(calculator obj)
{
return obj.num1+obj.num2;
}
int subtraction(calculator obj)
{
return obj.num1-obj.num2;
}
int division(calculator obj)
{
return obj.num1/obj.num2;
}
float mean(calculator obj)
{
return obj.num1+obj.num2/2;
}
int multiply(calculator obj)
{
return obj.num1*obj.num2;
}
};
int main()
{
int a,b;
cout<<"please enter the first number:";
cin>>a;
cout<<"please enter the second number:";
cin>>b;
calculator obj1(a,b);
operation obj2;
cout<<"the sum is:"<<obj2.add(obj1)<<endl;
cout<<"the sub is:"<<obj2.subtraction(obj1)<<endl;
cout<<"the divdied is:"<<obj2.division(obj1)<<endl;
cout<<"the mean is:"<<obj2.mean(obj1)<<endl;
cout<<"the multiply is:"<<obj2.multiply(obj1)<<endl;
}
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