#include <iostream>
#include <iomanip>
using namespace std;
int main() {
int a=0,b=0,c=0,d=0,e=0;
int x;
int sum=0,cnt=0;
while(cin >> x && x != 0){
if(x==1) a++;
if(x==2) b++;
if(x==3) c++;
if(x==4) d++;
if(x==5) e++;
sum += x;
cnt++;
}
cout << "5 (";
if(e<10) cout << " ";
cout << e << ") |";
for(int i=0;i<e;i++) cout << "=";
cout << endl;
cout << "4 (";
if(d<10) cout << " ";
cout << d << ") |";
for(int i=0;i<d;i++) cout << "=";
cout << endl;
cout << "3 (";
if(c<10) cout << " ";
cout << c << ") |";
for(int i=0;i<c;i++) cout << "=";
cout << endl;
cout << "2 (";
if(b<10) cout << " ";
cout << b << ") |";
for(int i=0;i<b;i++) cout << "=";
cout << endl;
cout << "1 (";
if(a<10) cout << " ";
cout << a << ") |";
for(int i=0;i<a;i++) cout << "=";
cout << endl;
cout << "Average rating: " <<fixed << setprecision(4);
cout << (double)sum/cnt << endl;
return 0;
}