/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		int []arr = {1,2,3,5,6}; int n = arr.length;
		int k =4; int maxlength =0;
 
		for(int i=1;i<n;i++){
			int sum =0;
			for(int j=i;j<n;j++){
				sum = sum+arr[i];
				if(sum==k){
					maxlength++;
				}
			}
		}
		System.out.println(maxlength);
	}
}

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