#include <iostream>
using namespace std;
 
 
class Triangle{
protected:
    double a,b,c;
public:
    static int count;
    Triangle(double x,double y,double z):a(x),b(y),c(z){ count++; }
    double perim(){ return a+b+c; }								// Завдання 3: метод пошуку периметра
    void print(){ std::cout<<"a="<<a<<" b="<<b<<" c="<<c<<std::endl; }
    void print(char ch){ std::cout<<"a="<<a<<ch<<" b="<<b<<ch<<" c="<<c<<std::endl; }
    ~Triangle(){}
};
 
int main() {
	// your code goes here
	return 0;
}

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