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