internalsum.java

/* Returnthesumofthenumbersinthearray,returning0foranempty array. 
Except the number 13 is very unlucky, so it does not count and numbers 
that come immediately after a 13 also do not count.
sum13({1, 2, 2, 1}) → 6
*/
import java.util.Scanner;
 
public class internalsum{
	public static void main(String [] args)
	{
		Scanner input = new Scanner (System.in);
 
		int para1 = input.nextInt();
		int[] myArr = new int[para1];
		for(int i = 0 ; i < myArr.length ; i++){
			myArr[i] = input.nextInt();
 			}
 		int zum = sum(myArr);
 
 
 
 
		System.out.println(zum);
	}
 
	public static int sum(int[] myArr){
		int sums = 0;
		if(myArr.length == 0){
		sums = 0;
		} 
		else{
				for(int i = 0 ; i < myArr.length ; i++)
				{
					if( myArr[i] == 13)
					{
						myArr[i] = 0;
					} else {
						sums += myArr[i];
					}
				}
		
		
 
		}
		return sums;
 	}
 
}