#include<iostream> using namespace std; int a[100]; int n,n2,n3,n4,n1; int main(){ cin>>n; for(int i=0;i<n;i++){ cin>>a[i]; if(a[i]>=0&a[i]<=18) n1++; else if(a[i]<=35) n2++; else if(a[i]<=60) n3++; else n4++; } printf("%.2f%\n",n1*1.0/n*100); printf("%.2f%\n",n2*1.0/n*100); printf("%.2f%\n",n3*1.0/n*100); printf("%.2f%\n",n4*1.0/n*100); return 0; }