include <stdio.h>

int main() {

int a, b, ii, i, j;
scanf("%d %d", &a, &b);
for (i = a; i <= b; i++) {
	ii = i;
	printf("%d=", ii);
	for (j = 2; j <= ii; j++) {
		while (ii % j == 0) {
			printf("%d", j);
			ii = ii / j;
			if (ii != 1) {
				printf("*");
			}
		}
	}
	printf("\n");
}
return 0;

}