//输入两个数字a，b，则输出从a到b之间的所有整数的分解出质因数乘积的式子
void calArray(int *n) {
int t = 0;
int q = 0;
for (int i = 2; i < 10000; i++)
{
t = i;
for (int j = 2; j*j < i - 1; j++)
{
if (i%j == 0)
{
t = -1;
//cout << j;
}
}
if (t != -1)
{
//cout << t << endl;
n[q] = t;
q++;
}
}
}
void cal(int num, int *n)
{
cout << num << '=';
int pf[15];
int q = 0;
for (int i = 0; i < 2000; i++)
{
for (int j = 0; j < 15; j++)
{
if (num%n[i] == 0)
{
pf[q] = n[i];
q++;
num = num / n[i];
}
}
}
for (int i = 0; i < 15; i++)
{
if (pf[i] > 0 && pf[i] < 10000)
{
cout << pf[i];
}
if (pf[i + 1] > 0 && pf[i + 1] < 10000)
{
cout << '*';
}
}
cout << endl;
}
int main()
{
int n[2000];
calArray(n);
int min;
int max;
cin >> min;
cin >> max;
for (int i = min; i <= max; i++)
{
cal(i, n);
}
}
