import java.util.*;

class Main{
    public static void main(String[] args) {
        Scanner stdIn = new Scanner(System.in);        
        int n = stdIn.nextInt();
        int x = stdIn.nextInt();
        int count = 1;
        int sum = 0;
        while(n-- > 0){
            sum += stdIn.nextInt();
            if(x < sum) break;
            count++;
        }
        System.out.println(count);

    }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz