#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() using namespace std; int main(){ /*int a[10],n,y=0,j=0,s=0,l; for(int i=0;i<=9;i++){ cin>>a[i]; } cin>>n; for(int i=0;i<=9;i++){ if(a[i]<=n+30) s+=1; } cout<<s;*/ int n,v=0,b=0,c=0,d=0; double A,B,C,D; cin>>n; int a[n]; for(int i=0;i<=n-1;i++){ cin>>a[i]; } for(int i=0;i<=n-1;i++){ if(a[i]<=18){ v+=1; } else if(a[i]<=35){ b+=1; } else if(a[i]<=60){ c+=1; } else d+=1; } printf("%.2lf%%\n",A=v/1.0*100); printf("%.2lf%%\n",B=b/1.0*100); printf("%.2lf%%\n",C=c/1.0*100); printf("%.2lf%%\n",D=d/1.0*100); return 0; }