include <iostream>
#include <string>

using namespace std;

int sumOfNumbers(int, int);
int * changeNumbers(int *,int *);
int * askNumbers(int *,int *);
int main()
{

	int nr1, nr2;

	askNumbers(&nr1,&nr2);
	cout <<nr1<<"+"<<nr2<<"="<< sumOfNumbers(nr1, nr2)<<endl;
	changeNumbers(&nr1, &nr2);
	cout << nr1 << " " << nr2<<endl;

	return 0;
}

int sumOfNumbers(int a, int b) {
	int result;
	result = a + b;
	return result;
}
int * changeNumbers(int * a,int * b) {
	cout<<*a<<"*"<<2<<"="<<*a*2<<endl;
	cout << *b<<"*"<<3<<"="<<*b*3<<endl;
	*a *= 2;
	*b *= 3;
	return a, b;
}
int * askNumbers(int *a,int* b) {

	cout << "Enter first number:\n";
	cin >> *a;
	cout << "Enter second number:\n";
	cin >> *b;
	return a, b;
}