#include<bits/stdc++.h> using namespace std; int a[1000]; int main(){ double n,s=0,b=0,c=0,d=0; cin>>n; for(int i=1;i<=n;i++) { cin>>a[i]; if(a[i]<=18) s++; else if(a[i]>18 && a[i]<=35) b++; else if(a[i]>35 && a[i]<=60) c++; else if(a[i]>60) d++; } printf("%.2lf%\n",s*1.0/n*100); printf("%.2lf%\n",b*1.0/n*100); printf("%.2lf%\n",c*1.0/n*100); printf("%.2lf%\n",d*1.0/n*100); return 0; }