import java.util.*;

public class Main {
  public static void main(String[] args) {

    Scanner sc = new Scanner(System.in);
    int N = sc.nextInt();
    int T = sc.nextInt();
    int cnt = 1;
    int length = 0;
    for (int i = 0; i < N; i++) {
      length += sc.nextInt();
      if (length <= T) {
        cnt++;
      }
    }
    System.out.println(cnt);
  }
} import java.util.*; util.* java public class Main {
  public static void main(String[] args) {

    Scanner sc = new Scanner(System.in);
    int N = sc.nextInt();
    int T = sc.nextInt();
    int cnt = 1;
    int length = 0;
    for (int i = 0; i < N; i++) {
      length += sc.nextInt();
      if (length <= T) {
        cnt++;
      }
    }
    System.out.println(cnt);
  }
} Main public static void main(String[] args) {

    Scanner sc = new Scanner(System.in);
    int N = sc.nextInt();
    int T = sc.nextInt();
    int cnt = 1;
    int length = 0;
    for (int i = 0; i < N; i++) {
      length += sc.nextInt();
      if (length <= T) {
        cnt++;
      }
    }
    System.out.println(cnt);
  } main {

    Scanner sc = new Scanner(System.in);
    int N = sc.nextInt();
    int T = sc.nextInt();
    int cnt = 1;
    int length = 0;
    for (int i = 0; i < N; i++) {
      length += sc.nextInt();
      if (length <= T) {
        cnt++;
      }
    }
    System.out.println(cnt);
  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int N = sc.nextInt(); N sc.nextInt() sc.nextInt sc int T = sc.nextInt(); T sc.nextInt() sc.nextInt sc int cnt = 1; cnt 1 int length = 0; length 0 for (int i = 0; i < N; i++) {
      length += sc.nextInt();
      if (length <= T) {
        cnt++;
      }
    } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
      length += sc.nextInt();
      if (length <= T) {
        cnt++;
      }
    } {
      length += sc.nextInt();
      if (length <= T) {
        cnt++;
      }
    } length += sc.nextInt() length sc.nextInt() sc.nextInt sc if (length <= T) {
        cnt++;
      } length <= T length T {
        cnt++;
      } cnt++ cnt System.out.println(cnt) System.out.println System.out System System.out cnt String[] args args public class Main {
  public static void main(String[] args) {

    Scanner sc = new Scanner(System.in);
    int N = sc.nextInt();
    int T = sc.nextInt();
    int cnt = 1;
    int length = 0;
    for (int i = 0; i < N; i++) {
      length += sc.nextInt();
      if (length <= T) {
        cnt++;
      }
    }
    System.out.println(cnt);
  }
} public class Main {
  public static void main(String[] args) {

    Scanner sc = new Scanner(System.in);
    int N = sc.nextInt();
    int T = sc.nextInt();
    int cnt = 1;
    int length = 0;
    for (int i = 0; i < N; i++) {
      length += sc.nextInt();
      if (length <= T) {
        cnt++;
      }
    }
    System.out.println(cnt);
  }
} Main
import java.util.*;

public class Main {
  public static void main(String[] args) {

    Scanner sc = new Scanner(System.in);
    int N = sc.nextInt();
    int T = sc.nextInt();
    int cnt = 1;
    int length = 0;
    for (int i = 0; i < N; i++) {
      length += sc.nextInt();
      if (length <= T) {
        cnt++;
      }
    }
    System.out.println(cnt);
  }
}
