#include <iostream>
#include <iomanip>
 
using namespace std;
 
template<class T>
class CFraction
{
public:
    CFraction(int = 0){}
    CFraction(const CFraction&) = default;
    CFraction& operator=(const CFraction&) = default;
 
    template<class U>
    CFraction operator + (const CFraction<U>& value) const { cout << "C+C\n"; return *this; }
 
    CFraction operator + (int value) const { cout << "C+i\n"; return *this; };
};
 
int main(int argc, const char * argv[])
{
    CFraction<int> a, b;
    a = a + b;
    a = b + 2;
}
 
 

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