import java.util.Scanner;

public class Main {

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

    int total = 0;
    int count = 1;

    for (int i = 0; i < n; ++i) {
      int l = sc.nextInt();
      total += l;
      if (total <= x)
        ++count;
    }

    System.out.println(count);
  }
} import java.util.Scanner; Scanner java.util public class Main {

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

    int total = 0;
    int count = 1;

    for (int i = 0; i < n; ++i) {
      int l = sc.nextInt();
      total += l;
      if (total <= x)
        ++count;
    }

    System.out.println(count);
  }
} Main public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int x = sc.nextInt();

    int total = 0;
    int count = 1;

    for (int i = 0; i < n; ++i) {
      int l = sc.nextInt();
      total += l;
      if (total <= x)
        ++count;
    }

    System.out.println(count);
  } main {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int x = sc.nextInt();

    int total = 0;
    int count = 1;

    for (int i = 0; i < n; ++i) {
      int l = sc.nextInt();
      total += l;
      if (total <= x)
        ++count;
    }

    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 total = 0; total 0 int count = 1; count 1 for (int i = 0; i < n; ++i) {
      int l = sc.nextInt();
      total += l;
      if (total <= x)
        ++count;
    } int i = 0; int i = 0; i 0 i < n i n ++i ++i i {
      int l = sc.nextInt();
      total += l;
      if (total <= x)
        ++count;
    } {
      int l = sc.nextInt();
      total += l;
      if (total <= x)
        ++count;
    } int l = sc.nextInt(); l sc.nextInt() sc.nextInt sc total += l total l if (total <= x)
        ++count; total <= x total x ++count count System.out.println(count) System.out.println System.out System System.out count String[] args args public class Main {

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

    int total = 0;
    int count = 1;

    for (int i = 0; i < n; ++i) {
      int l = sc.nextInt();
      total += l;
      if (total <= x)
        ++count;
    }

    System.out.println(count);
  }
} public class Main {

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

    int total = 0;
    int count = 1;

    for (int i = 0; i < n; ++i) {
      int l = sc.nextInt();
      total += l;
      if (total <= x)
        ++count;
    }

    System.out.println(count);
  }
} Main
import java.util.Scanner;

public class Main {

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

    int total = 0;
    int count = 1;

    for (int i = 0; i < n; ++i) {
      int l = sc.nextInt();
      total += l;
      if (total <= x)
        ++count;
    }

    System.out.println(count);
  }
}