import java.util.Scanner;
public class b {
public static void main(String[] args) {
Scanner in =new Scanner(System.in);
int number;
int[] numbers =new int[100];
int sum = 0;
int count = 0;
number = in.nextInt();
numbers[sum] =number;
while (number != 0)
{
sum =sum+number;
count = count+1;
number = in.nextInt();
}
if (count >0)
{
System.out.println("数组a="+number);
System.out.println("平均数d="+sum/count);
}
int d = sum/count;
if (d >=60)
{
System.out.println("ture");
}
System.out.println("false");
}
}