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

int main() {
    double dx, dy, df_1, df_2;
    scanf("%lf %lf", &dx, &dy);
    df_1 = (1 / sqrt(2 * 3.14)) * exp(-(dx * dx) / 2);
    df_2 = sin(dx*dx + dy*dy) * cos(dx + dy) / 3;
    printf("f_1 = %lf, f_2 = %lf", df_1, df_2);
    return 0;
}