#include<iostream> using namespace std; int main(){ /* int a[10],k,sum=0; for(int i=0;i<=9;i++){ cin>>a[i]; } cin>>k; for(int i=0;i<=9;i++){ if(a[i]<=k+30){ sum+=1; } } cout<<sum; */ int e[101],n,a=0,b=0,c=0,d=0; double A,B,C,D; cin>>n; for(int i=0;i<=n-1;i++){ cin>>e[i]; } for(int i=0;i<=n-1;i++){ if(e[i]>=0&&e[i]<=18){ a+=1; }else if(e[i]>=19&&e[i]<=35){ b+=1; }else if(e[i]>=36&&e[i]<=60){ c+=1; }else if(e[i]>=61){ d+=1; } } printf("%.2lf%%\n",A=a*1.0/n*100); printf("%.2lf%%\n",B=b*1.0/n*100); printf("%.2lf%%\n",C=c*1.0/n*100); printf("%.2lf%%\n",D=d*1.0/n*100); return 0; }