#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() using namespace std; int main(){ /* int a[11],tao,sum=0,i; for(i=1;i<=10;i++){ cin>>a[i]; } cin>>tao; for(i=1;i<=10;i++){ if(tao+30>=a[i]){ sum+=1; } } cout<<sum; */ int n,i; double b=0,c=0,d=0,e=0; cin>>n; int a[n+1]; for(i=1;i<=n;i++){ cin>>a[i]; if(a[i]>=0&&a[i]<19){ b+=1; } if(a[i]>18&&a[i]<36){ c+=1; } if(a[i]>35&&a[i]<61){ d+=1; } if(a[i]>60){ e+=1; } } printf("%.2lf%%\n",b/n*100); printf("%.2lf%%\n",c/n*100); printf("%.2lf%%\n",d/n*100); printf("%.2lf%%\n",e/n*100); return 0; }