#include<iostream> using namespace std; int main() { int n; int n1=0,n2=0,n3=0,n4=0; int a[105]; cin>>n; for(int i=1;i<=n;i++) { cin>>a[i]; if(a[i]<=18)n1++; else if(a[i]<=35)n2++; else if(a[i]<=60)n3++; else n4++; } printf("%.2lf%\n",n1*1.0/n*100); printf("%.2lf%\n",n2*1.0/n*100); printf("%.2lf%\n",n3*1.0/n*100); printf("%.2lf%\n",n4*1.0/n*100); return 0; }