#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 s=0,s1=0,s2=0,s3=0; cin>>n; long long a[n+1]; for(int i=1;i<=n;i++){ cin>>a[i]; } for(int i=1;i<=n;i++){ if(a[i]<=18){ s+=1; } else if(a[i]<=35){ s1+=1; } else if(a[i]<=60){ s2+=1; } else{ s3+=1; } } s=s/n*100; s1=s1/n*100; s2=s2/n*100; s3=s3/n*100; printf("%.2f%%\n",s); printf("%.2f%%\n",s1); printf("%.2f%%\n",s2); printf("%.2f%%\n",s3); return 0; }