#include <iostream>
using namespace std; // consider removing this line in serious projects
class M
{
public:
	M(int i,int j)
	{
	m1=i;
	m2=j;
}
void Sum(M a,M b)
{
	m1=a.m1+b.m1;
	m2=a.m2+b.m2;
}
void print()
{
	cout<<"m1="<<m1<<",m2="<<endl;
}
private:
    int m1,m2;
};
int main()
{
	M a(34,78);
	M b(a);
	M c(a);
	c.Sum(a,b);
	c.print();
}