#include <iostream>
using namespace std;


int aaa(int &a, int &b){
	cout<<"aaa:"<<a<<","<<b<<endl;
	b++;
}

int bbb(int *a, int *b){
	cout<<"bbb:"<<*a<<","<<*b<<endl;
}

int ccc(int a, int b){
	cout<<"ccc:"<<a<<","<<b<<endl;
	b++;
}

int main() {
	// your code goes here
	
	int a=1,b=2;
	aaa(a,b);
	bbb(&a,&b);
	ccc(a,b);
	
	cout<<"main:"<<a<<","<<b<<endl;
	
	return 0;
}