#include <iostream>

using namespace std;

int Process(int &a, int &b);

int main()
{

	int a = 1;
	int b = 2;
	int c = Process(a, b);
	cout << "a = " << a << endl;
	cout << "b = " << b << endl;
	cout << "c = " << c << endl;
}

int Process(int &a, int &b)
{
	a *= 3;
	b*= 4;
	int c = a+b;
	return c;
}