#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 a[101],n,s,A=0,b=0,c=0,d=0; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; if(19>a[i]){ A++; }else if(36>a[i]){ b++; }else if(61>a[i]&&a[i]){ c++; }else{ d++; } } printf("%.2lf%%\n",A*1.0/n*100); printf("%.2lf%%\n",b*1.0/n*100); printf("%.2lf%%\n",c*1.0/n*100); printf("%.2lf%%\n",d*1.0/n*100); return 0; }