#include<iostream> using namespace std; int main() { int n; cin>>n; int a[n],k1=0,k2=0,k3=0,k4=0; double bfb1,bfb2,bfb3,bfb4; for(int i=0;i<n;i++){ cin>>a[i]; } for(int i=0;i<n;i++){ if(a[i]<19){ k1++; } else if(a[i]<36){ k2++; } else if(a[i]<61){ k3++; } else{ k4++; } } bfb1=k1*1.0/n*100; bfb2=k2*1.0/n*100; bfb3=k3*1.0/n*100; bfb4=k4*1.0/n*100; printf("%.2f",bfb1); cout<<"%"<<endl; printf("%.2f",bfb2); cout<<"%"<<endl; printf("%.2f",bfb3); cout<<"%"<<endl; printf("%.2f",bfb4); cout<<"%"<<endl; }