static void Main(string[] args)
int n = int.Parse(Console.ReadLine());
for (int i = 0; i < n; i++)
arr[i] = int.Parse(Console.ReadLine());
for (int i = 0; i < arr.Length; i++)
if (arr[i] >= 1 && arr[i] < 200)
else if (arr[i] >= 200 && arr[i] < 400)
else if (arr[i] >= 400 && arr[i] < 600)
else if (arr[i] >= 600 && arr[i] < 800)
double p1 = (a / n) * 100;
double p2 = (b / n) * 100;
double p3 = (c / n) * 100;
double p4 = (d / n) * 100;
double p5 = (e / n) * 100;
Console.WriteLine("{0:0.00}%", p1);
Console.WriteLine("{0:0.00}%", p2);
Console.WriteLine("{0:0.00}%", p3);
Console.WriteLine("{0:0.00}%", p4);
Console.WriteLine("{0:0.00}%", p5);