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