#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(){ double a[101],n,q=0,w=0,e=0,r=0; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; if(a[i]<19) q++; else if(a[i]<36) w++; else if(a[i]<61) e++; else if(a[i]>=61) r++; } q=q/n*100; w=w/n*100; e=e/n*100; r=r/n*100; printf("%.2lf%%\n%.2lf%%\n%.2lf%%\n%.2lf%%\n",q,w,e,r); }