#include<iostream> #include<cstdio> using namespace std; int main() { int n,a[105]; double sum1=0,sum2=0,sum3=0,sum4=0; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; } for(int i=1;i<=n;i++) { if(a[i]>=0&&a[i]<=18) sum1++; else if(a[i]>=19&&a[i]<=35) sum2++; else if(a[i]>=36&&a[i]<=60) sum3++; else sum4++; } printf("%.2lf%\n",sum1/n*100); printf("%.2lf%\n",sum2/n*100); printf("%.2lf%\n",sum3/n*100); printf("%.2lf%\n",sum4/n*100); return 0; }