#include <stdio.h>

int main() {
	int n;
	int number;
	int count;
	int sum = 0;
	float average;

	scanf("%d", &n);

	for(count = 0; count < n; count++){
		scanf("%d", &number);
		sum += number;
	}

	average =(float) sum / n;
	printf("Sum: %d\nAverage: %.2f\n", sum, average);

	return 0;
}