#include <bits/stdc++.h> ? using namespace std; int a[10010]; int main() { int n,k=0,b=0,c=0,d=0; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; if(a[i]<=18) k++; else if(a[i]>18 && a[i]<=35) b++; else if(a[i]>35 && a[i]<=60) c++; else if(a[i]>60) d++; if(a[i]<=35) k++; else if(a[i]>18 && a[i]<=35) b++; else if(a[i]>35 && a[i]<=60) c++; else if(a[i]>60) d++; } printf("%.2lf%\n",k*1.0/n*100); printf("%.2lf%\n",k*1.0/n*100); printf("%.2lf%\n",k*1.0/n*100); printf("%.2lf%\n",k*1.0/n*100); return 0; }