#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ long long a[101],x=0,y=0,z=0,j=0,n; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i];} if(19>a[i]){ x++;} else if(35>a[i]>19){ y++;} else if(60>a[i]>36){ z++;} else{ j++;} printf("%.2lf%%\n",x*1.0/n*100); printf("%.2lf%%\n",y*1.0/n*100); printf("%.2lf%%\n",z*1.0/n*100); printf("%.2lf%%\n",j*1.0/n*100); return 0; }