#include<bits/stdc++.h> using namespace std; int main() { int a[101],n,b=0,c=0,d=0,e=0; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; if(a[i]<=18) b++; if(a[i]>=19 && a[i]<=35) c++; if(a[i]>=36 && a[i]<=60) d++; if(a[i]>=61) b++; } printf("%.2f%%\n",b*1.0/n*100); printf("%.2f%%\n",c*1.0/n*100); printf("%.2f%%\n",d*1.0/n*100); printf("%.2f%%\n",e*1.0/n*100); return 0; }