#include <iostream> #include <cstdio> using namespace std; int main(){ int a; float sum1=0,sum2=0,sum3=0,sum4=0; cin>>a; for (int i=0;i<a;i++){ int num; cin>>num; if(num>=61) sum1++; else if(num>=36)sum2++; else if(num>=19)sum3++; else sum4++; } printf("%.2f%\n%.2lf%\n%.2f%\n%.2f%\n",sum1/a*100,sum2/a*100,sum3/a*100,sum4/a*100); return 0; }