#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; float t1=0,t2=0,t3=0,t4=0; int a[101]={}; cin>>n; for(int i=0;i<n;i++){ cin>>a[i]; } for(int i=0;i<n;i++){ if(0<=a[i]&&a[i]<=18) t1++; else if(0<=a[i]&&a[i]<=35) t2++; else if(0<=a[i]&&a[i]<=60) t3++; else if(61<=a[i]) t4++; } printf("%.2f%%\n",t1/n*100); printf("%.2f%%\n",t2/n*100); printf("%.2f%%\n",t3/n*100); printf("%.2f%%\n",t4/n*100); return 0; }