#include <stdio.h>
#define MAX 100
 
int seiseki[MAX];
int size=0;
 
int record(int a){
seiseki[size]=a;
size++;
return 0;
}
 
double average(){
int i, sum=0; 
for(i=0; i<size; i++){
sum+=seiseki[i];
}
return (double)sum/(double)size;
}
 
double cond_average(int a, int b){
int sum=0, count=0,i;
for (i=0; i<size; i++){
if(seiseki[i]>=a && seiseki[i]<=b){
sum+=seiseki[i];
count++;
}
}
return (double)sum/(double)count;
}
int main(){
int score,num,i;
scanf("%d",&num);
printf("人数=%d\n",num);
for(i=0;i<num;i++){
scanf("%d", &score);
printf("点数=%d\n",score);
record(score);
}
printf("平均=%lf\n",average());
printf("60点以上100点以下の平均点：%lf",cond_average(60,100));
	return 0;
}
 

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