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