import 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 + 1];
    for (int i = 1; i < n + 1; i++) {
      l[i] = sc.nextInt();
    }

    int d = 0;
    int ans = 1;
    for (int i = 0; i < n; i++) {
      if (d + l[i + 1] > x) {
        break;
      } else {
        ans++;
        d += l[i + 1];
      }
    }
    
    System.out.println(ans);
  }
} 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 x = sc.nextInt();

    int[] l = new int[n + 1];
    for (int i = 1; i < n + 1; i++) {
      l[i] = sc.nextInt();
    }

    int d = 0;
    int ans = 1;
    for (int i = 0; i < n; i++) {
      if (d + l[i + 1] > x) {
        break;
      } else {
        ans++;
        d += l[i + 1];
      }
    }
    
    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 + 1];
    for (int i = 1; i < n + 1; i++) {
      l[i] = sc.nextInt();
    }

    int d = 0;
    int ans = 1;
    for (int i = 0; i < n; i++) {
      if (d + l[i + 1] > x) {
        break;
      } else {
        ans++;
        d += l[i + 1];
      }
    }
    
    System.out.println(ans);
  } main {
    Scanner sc = new Scanner(System.in);

    int n = sc.nextInt();
    int x = sc.nextInt();

    int[] l = new int[n + 1];
    for (int i = 1; i < n + 1; i++) {
      l[i] = sc.nextInt();
    }

    int d = 0;
    int ans = 1;
    for (int i = 0; i < n; i++) {
      if (d + l[i + 1] > x) {
        break;
      } else {
        ans++;
        d += l[i + 1];
      }
    }
    
    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 + 1]; l new int[n + 1] n + 1 n 1 for (int i = 1; i < n + 1; i++) {
      l[i] = sc.nextInt();
    } int i = 1; int i = 1; i 1 i < n + 1 i n + 1 n 1 i++ i++ i {
      l[i] = sc.nextInt();
    } {
      l[i] = sc.nextInt();
    } l[i] = sc.nextInt() l[i] l i sc.nextInt() sc.nextInt sc int d = 0; d 0 int ans = 1; ans 1 for (int i = 0; i < n; i++) {
      if (d + l[i + 1] > x) {
        break;
      } else {
        ans++;
        d += l[i + 1];
      }
    } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
      if (d + l[i + 1] > x) {
        break;
      } else {
        ans++;
        d += l[i + 1];
      }
    } {
      if (d + l[i + 1] > x) {
        break;
      } else {
        ans++;
        d += l[i + 1];
      }
    } if (d + l[i + 1] > x) {
        break;
      } else {
        ans++;
        d += l[i + 1];
      } d + l[i + 1] > x d + l[i + 1] d l[i + 1] l i + 1 i 1 x {
        break;
      } break; {
        ans++;
        d += l[i + 1];
      } ans++ ans d += l[i + 1] d l[i + 1] l i + 1 i 1 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 + 1];
    for (int i = 1; i < n + 1; i++) {
      l[i] = sc.nextInt();
    }

    int d = 0;
    int ans = 1;
    for (int i = 0; i < n; i++) {
      if (d + l[i + 1] > x) {
        break;
      } else {
        ans++;
        d += l[i + 1];
      }
    }
    
    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 + 1];
    for (int i = 1; i < n + 1; i++) {
      l[i] = sc.nextInt();
    }

    int d = 0;
    int ans = 1;
    for (int i = 0; i < n; i++) {
      if (d + l[i + 1] > x) {
        break;
      } else {
        ans++;
        d += l[i + 1];
      }
    }
    
    System.out.println(ans);
  }
} Main
import 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 + 1];
    for (int i = 1; i < n + 1; i++) {
      l[i] = sc.nextInt();
    }

    int d = 0;
    int ans = 1;
    for (int i = 0; i < n; i++) {
      if (d + l[i + 1] > x) {
        break;
      } else {
        ans++;
        d += l[i + 1];
      }
    }
    
    System.out.println(ans);
  }
}
