// import java.util.Arrays;
/*
 * write a method in java that returns the sum of tens of a given array of numbers
 */

public class Practice1 {
	   public static void main(String[] args) {
	       System.out.println((reverseArr(new int[]{-9, 10, 120, 1089,})));
	   }

	   public static int reverseArr(int[] num){
		   int[] nnum = new int [] {};
		   int total = 0;
		   for(int i = 0; i <= num.length; i++)
		   {
			   if(num[i] < 10){
				   nnum[i] = 0;
			   }
			   if(num[i] >= 10) {
				   nnum[i] = (num[i] / 10) % 10;
			   }
			   total += nnum[i];
		   }

			return total;
	    }

}