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