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];
    int d[] = new int[n+1];
    int count = 0;
    for(int i=0 ; i<n ; i++){
      l[i] = sc.nextInt();
    }
    for(int i=0 ; i<n+1 ; i++){
      if(i==0){
        d[0]=0;
      }else{
        d[i] = d[i-1] + l[i-1];
      }
      // System.out.print(d[i]);
      // System.out.println();
    }
    for(int i=0 ; i<n+1 ; i++){
      if(d[i]<=x){
        count++;
      }
    }
    System.out.println(count);
  }
} 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];
    int d[] = new int[n+1];
    int count = 0;
    for(int i=0 ; i<n ; i++){
      l[i] = sc.nextInt();
    }
    for(int i=0 ; i<n+1 ; i++){
      if(i==0){
        d[0]=0;
      }else{
        d[i] = d[i-1] + l[i-1];
      }
      // System.out.print(d[i]);
      // System.out.println();
    }
    for(int i=0 ; i<n+1 ; i++){
      if(d[i]<=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 l[] = new int[n+1];
    int d[] = new int[n+1];
    int count = 0;
    for(int i=0 ; i<n ; i++){
      l[i] = sc.nextInt();
    }
    for(int i=0 ; i<n+1 ; i++){
      if(i==0){
        d[0]=0;
      }else{
        d[i] = d[i-1] + l[i-1];
      }
      // System.out.print(d[i]);
      // System.out.println();
    }
    for(int i=0 ; i<n+1 ; i++){
      if(d[i]<=x){
        count++;
      }
    }
    System.out.println(count);
  } main {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int x = sc.nextInt();
    int l[] = new int[n+1];
    int d[] = new int[n+1];
    int count = 0;
    for(int i=0 ; i<n ; i++){
      l[i] = sc.nextInt();
    }
    for(int i=0 ; i<n+1 ; i++){
      if(i==0){
        d[0]=0;
      }else{
        d[i] = d[i-1] + l[i-1];
      }
      // System.out.print(d[i]);
      // System.out.println();
    }
    for(int i=0 ; i<n+1 ; i++){
      if(d[i]<=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 l[] = new int[n+1]; l new int[n+1] n+1 n 1 int d[] = new int[n+1]; d new int[n+1] n+1 n 1 int count = 0; count 0 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] = sc.nextInt() l[i] l i sc.nextInt() sc.nextInt sc for(int i=0 ; i<n+1 ; i++){
      if(i==0){
        d[0]=0;
      }else{
        d[i] = d[i-1] + l[i-1];
      }
      // System.out.print(d[i]);
      // System.out.println();
    } int i=0 ; int i=0 ; i 0 i<n+1 i n+1 n 1 i++ i++ i {
      if(i==0){
        d[0]=0;
      }else{
        d[i] = d[i-1] + l[i-1];
      }
      // System.out.print(d[i]);
      // System.out.println();
    } {
      if(i==0){
        d[0]=0;
      }else{
        d[i] = d[i-1] + l[i-1];
      }
      // System.out.print(d[i]);
      // System.out.println();
    } if(i==0){
        d[0]=0;
      }else{
        d[i] = d[i-1] + l[i-1];
      } i==0 i 0 {
        d[0]=0;
      } d[0]=0 d[0] d 0 0 {
        d[i] = d[i-1] + l[i-1];
      } d[i] = d[i-1] + l[i-1] d[i] d i d[i-1] + l[i-1] d[i-1] d i-1 i 1 l[i-1] l i-1 i 1 for(int i=0 ; i<n+1 ; i++){
      if(d[i]<=x){
        count++;
      }
    } int i=0 ; int i=0 ; i 0 i<n+1 i n+1 n 1 i++ i++ i {
      if(d[i]<=x){
        count++;
      }
    } {
      if(d[i]<=x){
        count++;
      }
    } if(d[i]<=x){
        count++;
      } d[i]<=x d[i] d i x {
        count++;
      } 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 l[] = new int[n+1];
    int d[] = new int[n+1];
    int count = 0;
    for(int i=0 ; i<n ; i++){
      l[i] = sc.nextInt();
    }
    for(int i=0 ; i<n+1 ; i++){
      if(i==0){
        d[0]=0;
      }else{
        d[i] = d[i-1] + l[i-1];
      }
      // System.out.print(d[i]);
      // System.out.println();
    }
    for(int i=0 ; i<n+1 ; i++){
      if(d[i]<=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 l[] = new int[n+1];
    int d[] = new int[n+1];
    int count = 0;
    for(int i=0 ; i<n ; i++){
      l[i] = sc.nextInt();
    }
    for(int i=0 ; i<n+1 ; i++){
      if(i==0){
        d[0]=0;
      }else{
        d[i] = d[i-1] + l[i-1];
      }
      // System.out.print(d[i]);
      // System.out.println();
    }
    for(int i=0 ; i<n+1 ; i++){
      if(d[i]<=x){
        count++;
      }
    }
    System.out.println(count);
  }
} 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];
    int d[] = new int[n+1];
    int count = 0;
    for(int i=0 ; i<n ; i++){
      l[i] = sc.nextInt();
    }
    for(int i=0 ; i<n+1 ; i++){
      if(i==0){
        d[0]=0;
      }else{
        d[i] = d[i-1] + l[i-1];
      }
      // System.out.print(d[i]);
      // System.out.println();
    }
    for(int i=0 ; i<n+1 ; i++){
      if(d[i]<=x){
        count++;
      }
    }
    System.out.println(count);
  }
}
