#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 o[100],n,i; double a=0,b=0,c=0,d=0,e=0; cin>>n; for(i=0;i<n;i++){ cin>>o[i]; } for(i=0;i<n;i++){ if(o[i]>=0&&o[i]<=18){ a++; } if(o[i]>=19&&o[i]<=35){ b++; } if(o[i]>=36&&o[i]<=60){ c++; } if(o[i]>=61){ d++; } } a=a/n; b=b/n; c=c/n; d=d/n; printf("%.2f%%\n",a*100); printf("%.2f%%\n",b*100); printf("%.2f%%\n",c*100); printf("%.2f%%\n",d*100); return 0; }