#include<iostream> // cin\cout\endl #include<cstdio> using namespace std; int main(){ int n; double x=0,y=0,z=0,m=0; cin>>n; int a[n]; for(int i=0;i<n;i++){ cin>>a[i]; } for(int i=0;i<n;i++){ if(a[i]<19) x++; else if(a[i]<36) y++; else if(a[i]<61) z++; else m++; } x=x/n*100; y=y/n*100; z=z/n*100; m=m/n*100; printf("%.2lf%%\n",x); printf("%.2lf%%\n",y); printf("%.2lf%%\n",z); printf("%.2lf%%\n",m); return 0; }