/* 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[] t = {-7,4,-12,1,5,-3,12,0,14,-2};
		Ideone test = new Ideone();
		int[] r = test.o(t,4);
		for(int a : r)
			System.out.println(a);
	}
 
int[]o(int[]a,int l){int i=0,o[]=new int[l];for(;i<a.length;)o[i%l]+=a[i++];return o;}
 
 
}

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