import java.util.Scanner;

public class Main {

    public static final int MOD = 1000000007;

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = Integer.parseInt(sc.next());
        int x = Integer.parseInt(sc.next());
        int ans = 1;
        int num = 0;
        for (int i = 0; i < n; i++) {
            num += Integer.parseInt(sc.next());
            if (num > x) {
                break;
            }
            ans++;
        }
        System.out.println(ans);
    }
} import java.util.Scanner; Scanner java.util public class Main {

    public static final int MOD = 1000000007;

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = Integer.parseInt(sc.next());
        int x = Integer.parseInt(sc.next());
        int ans = 1;
        int num = 0;
        for (int i = 0; i < n; i++) {
            num += Integer.parseInt(sc.next());
            if (num > x) {
                break;
            }
            ans++;
        }
        System.out.println(ans);
    }
} Main public static final int MOD = 1000000007; MOD 1000000007 public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = Integer.parseInt(sc.next());
        int x = Integer.parseInt(sc.next());
        int ans = 1;
        int num = 0;
        for (int i = 0; i < n; i++) {
            num += Integer.parseInt(sc.next());
            if (num > x) {
                break;
            }
            ans++;
        }
        System.out.println(ans);
    } main {
        Scanner sc = new Scanner(System.in);
        int n = Integer.parseInt(sc.next());
        int x = Integer.parseInt(sc.next());
        int ans = 1;
        int num = 0;
        for (int i = 0; i < n; i++) {
            num += Integer.parseInt(sc.next());
            if (num > x) {
                break;
            }
            ans++;
        }
        System.out.println(ans);
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int n = Integer.parseInt(sc.next()); n Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int x = Integer.parseInt(sc.next()); x Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int ans = 1; ans 1 int num = 0; num 0 for (int i = 0; i < n; i++) {
            num += Integer.parseInt(sc.next());
            if (num > x) {
                break;
            }
            ans++;
        } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
            num += Integer.parseInt(sc.next());
            if (num > x) {
                break;
            }
            ans++;
        } {
            num += Integer.parseInt(sc.next());
            if (num > x) {
                break;
            }
            ans++;
        } num += Integer.parseInt(sc.next()) num Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc if (num > x) {
                break;
            } num > x num x {
                break;
            } break; ans++ ans System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {

    public static final int MOD = 1000000007;

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = Integer.parseInt(sc.next());
        int x = Integer.parseInt(sc.next());
        int ans = 1;
        int num = 0;
        for (int i = 0; i < n; i++) {
            num += Integer.parseInt(sc.next());
            if (num > x) {
                break;
            }
            ans++;
        }
        System.out.println(ans);
    }
} public class Main {

    public static final int MOD = 1000000007;

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = Integer.parseInt(sc.next());
        int x = Integer.parseInt(sc.next());
        int ans = 1;
        int num = 0;
        for (int i = 0; i < n; i++) {
            num += Integer.parseInt(sc.next());
            if (num > x) {
                break;
            }
            ans++;
        }
        System.out.println(ans);
    }
} Main
import java.util.Scanner;

public class Main {

    public static final int MOD = 1000000007;

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = Integer.parseInt(sc.next());
        int x = Integer.parseInt(sc.next());
        int ans = 1;
        int num = 0;
        for (int i = 0; i < n; i++) {
            num += Integer.parseInt(sc.next());
            if (num > x) {
                break;
            }
            ans++;
        }
        System.out.println(ans);
    }
}