#include<iostream> #include<cstdio> using namespace std; int main(){ int i,n; int m=0,b=0,c=0,d=0; cin>>n; int a[n]; for (i=0;i<n;i++) cin>>a[i]; for (i=0;i<n;i++){ if(0<=a[i]&&a[i]<=18) m++; if(19<=a[i]&&a[i]<=35) b++; if(36<=a[i]&&a[i]<=60) c++; if(61<=a[i]) d++; } printf("%.2f%%\n",m*1.0/n*100); printf("%.2f%%\n",b*1.0/n*100); printf("%.2f%%\n",c*1.0/n*100); printf("%.2f%%\n",d*1.0/n*100); return 0; }