public class BoxesOfBooks {


	public static int boxes (int []weights, int maxWeight) {
		int tot=0;
		int weightleft=maxWeight;
		for (int i=0; i<weights.length; i++) {
			//System.out.println(weightleft);
			if (weights[i]<=weightleft) {
				weightleft=weightleft-weights[i];
			}
			else if (weights[i]>weightleft) {
				tot++;
				weightleft=10;
				weightleft=weightleft-weights[i];
			}


		}
		return tot+1;

	}

}