import java.util.*;

public class Main {

    public static List<List<Integer>> switchList;

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int X = sc.nextInt();

        int sum = 0;
        int count = 1;
        for (int i = 0; i < N; i++) {
            int val = sc.nextInt();
            sum += val;
            if (sum > X) {
                break;
            }
            count++;
        }
        sc.close();

        System.out.println(count);

    }

} import java.util.*; util.* java public class Main {

    public static List<List<Integer>> switchList;

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int X = sc.nextInt();

        int sum = 0;
        int count = 1;
        for (int i = 0; i < N; i++) {
            int val = sc.nextInt();
            sum += val;
            if (sum > X) {
                break;
            }
            count++;
        }
        sc.close();

        System.out.println(count);

    }

} Main public static List<List<Integer>> switchList; switchList public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int X = sc.nextInt();

        int sum = 0;
        int count = 1;
        for (int i = 0; i < N; i++) {
            int val = sc.nextInt();
            sum += val;
            if (sum > X) {
                break;
            }
            count++;
        }
        sc.close();

        System.out.println(count);

    } main {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int X = sc.nextInt();

        int sum = 0;
        int count = 1;
        for (int i = 0; i < N; i++) {
            int val = sc.nextInt();
            sum += val;
            if (sum > X) {
                break;
            }
            count++;
        }
        sc.close();

        System.out.println(count);

    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int N = sc.nextInt(); N sc.nextInt() sc.nextInt sc int X = sc.nextInt(); X sc.nextInt() sc.nextInt sc int sum = 0; sum 0 int count = 1; count 1 for (int i = 0; i < N; i++) {
            int val = sc.nextInt();
            sum += val;
            if (sum > X) {
                break;
            }
            count++;
        } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
            int val = sc.nextInt();
            sum += val;
            if (sum > X) {
                break;
            }
            count++;
        } {
            int val = sc.nextInt();
            sum += val;
            if (sum > X) {
                break;
            }
            count++;
        } int val = sc.nextInt(); val sc.nextInt() sc.nextInt sc sum += val sum val if (sum > X) {
                break;
            } sum > X sum X {
                break;
            } break; count++ count sc.close() sc.close sc System.out.println(count) System.out.println System.out System System.out count String[] args args public class Main {

    public static List<List<Integer>> switchList;

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int X = sc.nextInt();

        int sum = 0;
        int count = 1;
        for (int i = 0; i < N; i++) {
            int val = sc.nextInt();
            sum += val;
            if (sum > X) {
                break;
            }
            count++;
        }
        sc.close();

        System.out.println(count);

    }

} public class Main {

    public static List<List<Integer>> switchList;

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int X = sc.nextInt();

        int sum = 0;
        int count = 1;
        for (int i = 0; i < N; i++) {
            int val = sc.nextInt();
            sum += val;
            if (sum > X) {
                break;
            }
            count++;
        }
        sc.close();

        System.out.println(count);

    }

} Main
import java.util.*;

public class Main {

    public static List<List<Integer>> switchList;

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int X = sc.nextInt();

        int sum = 0;
        int count = 1;
        for (int i = 0; i < N; i++) {
            int val = sc.nextInt();
            sum += val;
            if (sum > X) {
                break;
            }
            count++;
        }
        sc.close();

        System.out.println(count);

    }

}
