#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(){ int n; cin>>n; int a[1000],b=0,c=0,d=0,e=0; for(int i=0;i<n;i++){ cin>>a[i]; } for(int i=0;i<n;i++){ if(a[i]<=18) b++; else if(a[i]>=19&&a[i]<=35) c++; else if(a[i]>=36&&a[i]<=60) d++; else e++; } printf("%.2lf'%'\n",b/n*100.0); printf("%.2lf'%'\n",c/n*100.0); printf("%.2lf'%'\n",d/n*100.0); printf("%.2lf'%'\n",e/n*100.0); return 0; }