#include <iostream>
#include <bits/stdc++.h>
#include <math.h>
using namespace std;
int main()
{
	int l,r;
	cin >> l >> r;
	for(int i = l ;i <= r ;i++){
		cout << i << "=";
		int m = i;
		int flag = 0;
		int j = 2;
	    do{
			if(m % j == 0){
				m = m/j;
				if(flag != 0){
					cout << "*";
				}
				cout << j;
				j = 2;
				flag++;
			}else{
				j++;
			}
		}while(m != 1);
		cout << "\n";
	}
	return 0;
}