#include <stdio.h>
#include <math.h>

int main( ) {
	int sai1[6] = {2, 3, 5, 7, 11, 13};
	int sai2[6] = {4, 6, 8, 9, 10, 12};
	int p, c;
	double xsum = 0, ysum = 0;
	double res;

	scanf("%d %d", &p, &c);
	for(int i = 0; i < 6; i++) {
		xsum += sai1[i];
		ysum += sai2[i];
	}
	xsum /= 6;
	ysum /= 6;
	res = pow(xsum, p) * pow(ysum, c);
	
	printf("%.10f\n", res);

	return 0;
}