#include<bits/stdc++.h> using namespace std; int main(){ int n,t; int a=0,b=0,c=0,d=0; cin>>n; for(int i=1;i<=n;i++){ cin>>t; if(t>0 && t<=18) a++; else if(t>=19 && t<=35) b++; else if(t>=36 && t<=60) c++; else if(t>=61) d++; } printf("%.2lf%\n",a*100.0/n); printf("%.2lf%\n",b*100.0/n); printf("%.2lf%\n",c*100.0/n); printf("%.2lf%\n",d*100.0/n); return 0; }