#include <iostream>
#include<iomanip>
using namespace std;
int main()
{
double a,sum=0,n1(0),n2(0),n3(0),n4(0),n5(0);
while(cin>>a){
if(a==0) {
double j=n5,k=n4,l=n3,m=n2,s=n1;
double q=(j*5+k*4+l*3+m*2+s*1)/(j+k+l+m+s);
if(n5<10){
cout<<"5 ( "<<n5<<") |";
while(n5>0){cout<<"="; n5--;}
cout<<endl;
}
if(n5>=10){
cout<<"5 ("<<n5<<") |";
while(n5>0){cout<<"="; n5--;}
cout<<endl;
}
if(n4<10){
cout<<"4 ( "<<n4<<") |";
while(n4>0){cout<<"="; n4--;}
cout<<endl;
}
if(n4>=10){
cout<<"4 ("<<n4<<") |";
while(n4>0){cout<<"="; n4--;}
cout<<endl;
}
if(n3<10){
cout<<"3 ( "<<n3<<") |";
while(n3>0){cout<<"="; n3--;}
cout<<endl;
}
if(n3>=10){
cout<<"3 ("<<n3<<") |";
while(n3>0){cout<<"="; n3--;}
cout<<endl;
}
if(n2<10){
cout<<"2 ( "<<n2<<") |";
while(n2>0){cout<<"="; n2--;}
cout<<endl;
}
if(n2>=10){
cout<<"2 ("<<n2<<") |";
while(n2>0){cout<<"="; n2--;}
cout<<endl;
}
if(n1<10){
cout<<"1 ( "<<n1<<") |";
while(n1>0){cout<<"="; n1--;}
cout<<endl;
}
if(n1>=10){
cout<<"1 ("<<n1<<") |";
while(n1>0){cout<<"="; n1--;}
cout<<endl;
}
cout<<"Average rating: "<<fixed<<setprecision(4)<<q<<endl;
}
if(a==1) {n1++; sum+=a;}
if(a==2) {n2++; sum+=a;}
if(a==3) {n3++; sum+=a;}
if(a==4) {n4++; sum+=a;}
if(a==5) {n5++; sum+=a;}
}
}