#include <stdio.h>
using namespace std;

int tab1[] = {1,2,3,4,5};
int tab2[] = {2,4,6};
int tab3[] = {3,6,9,12};

int* tabs[] = {tab1,tab2,tab3};
int tabSize[] = {5,3,4};

int main() {
	for(int i =0;i<3;i++){
		for(int j=0;j<tabSize[i];j++){
			printf("%d,",tabs[i][j]);
		}
		printf("\n");
		
	}
	return 0;
}