#include <stdio.h>    
int main() {    
	int a;
	int n;
	float i;
	int sum=0.0;
	scanf("%d",&n);
	for(i=0.0;i<n;i++){
		scanf("%d",&a);
		sum+=a;
	}
	float all=sum/i;
	printf("%d %.5f\n",sum,all);
    return 0;    
}