#include <stdio.h>
#include <math.h>
int main (void) {
	double m[51];
	double x=-20;
	double min, vsum;
	for (int i=0; i<51; ++i) {
		m[i] = 4.0 * sin(0.3 * x);
/*
		printf("%.6f ", x);
	    printf("%.6f\n", m[i]);
*/
		x += 0.8;
	}
	min = m[0];
	vsum = 0;
	for (int i=0; i<51; ++i) {
		if (m[i]<min) min = m[i];
		if (i%2 != 0)
			vsum += m[i];
	}
	vsum = vsum/25;
    printf("%.6f\n", min);
    printf("%.6f\n", vsum);
	return(0);
}