import java.util.*;
import java.io.*;

public class Main{

    static int INFTY = Integer.MAX_VALUE;
    public static void main (String args[]){
        //初期処理
        Scanner sc=new Scanner(System.in);
        // BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        // try{
            // int n = Integer.parseInt(br.readLine());
        int n= sc.nextInt();
        int x = sc.nextInt();
        int ans=1;
        int d=0;
        for(int i=0;i<n;i++){
            d+=sc.nextInt();
            if(d<=x){
                ans++;
            }else{
                break;
            }
        }
        System.out.println(ans);

    }


} import java.util.*; util.* java import java.io.*; io.* java public class Main{

    static int INFTY = Integer.MAX_VALUE;
    public static void main (String args[]){
        //初期処理
        Scanner sc=new Scanner(System.in);
        // BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        // try{
            // int n = Integer.parseInt(br.readLine());
        int n= sc.nextInt();
        int x = sc.nextInt();
        int ans=1;
        int d=0;
        for(int i=0;i<n;i++){
            d+=sc.nextInt();
            if(d<=x){
                ans++;
            }else{
                break;
            }
        }
        System.out.println(ans);

    }


} Main static int INFTY = Integer.MAX_VALUE; INFTY Integer.MAX_VALUE Integer Integer.MAX_VALUE public static void main (String args[]){
        //初期処理
        Scanner sc=new Scanner(System.in);
        // BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        // try{
            // int n = Integer.parseInt(br.readLine());
        int n= sc.nextInt();
        int x = sc.nextInt();
        int ans=1;
        int d=0;
        for(int i=0;i<n;i++){
            d+=sc.nextInt();
            if(d<=x){
                ans++;
            }else{
                break;
            }
        }
        System.out.println(ans);

    } main {
        //初期処理
        Scanner sc=new Scanner(System.in);
        // BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        // try{
            // int n = Integer.parseInt(br.readLine());
        int n= sc.nextInt();
        int x = sc.nextInt();
        int ans=1;
        int d=0;
        for(int i=0;i<n;i++){
            d+=sc.nextInt();
            if(d<=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 ans=1; ans 1 int d=0; d 0 for(int i=0;i<n;i++){
            d+=sc.nextInt();
            if(d<=x){
                ans++;
            }else{
                break;
            }
        } int i=0; int i=0; i 0 i<n i n i++ i++ i {
            d+=sc.nextInt();
            if(d<=x){
                ans++;
            }else{
                break;
            }
        } {
            d+=sc.nextInt();
            if(d<=x){
                ans++;
            }else{
                break;
            }
        } d+=sc.nextInt() d sc.nextInt() sc.nextInt sc if(d<=x){
                ans++;
            }else{
                break;
            } d<=x d x {
                ans++;
            } ans++ ans {
                break;
            } break; System.out.println(ans) System.out.println System.out System System.out ans String args[] args public class Main{

    static int INFTY = Integer.MAX_VALUE;
    public static void main (String args[]){
        //初期処理
        Scanner sc=new Scanner(System.in);
        // BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        // try{
            // int n = Integer.parseInt(br.readLine());
        int n= sc.nextInt();
        int x = sc.nextInt();
        int ans=1;
        int d=0;
        for(int i=0;i<n;i++){
            d+=sc.nextInt();
            if(d<=x){
                ans++;
            }else{
                break;
            }
        }
        System.out.println(ans);

    }


} public class Main{

    static int INFTY = Integer.MAX_VALUE;
    public static void main (String args[]){
        //初期処理
        Scanner sc=new Scanner(System.in);
        // BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        // try{
            // int n = Integer.parseInt(br.readLine());
        int n= sc.nextInt();
        int x = sc.nextInt();
        int ans=1;
        int d=0;
        for(int i=0;i<n;i++){
            d+=sc.nextInt();
            if(d<=x){
                ans++;
            }else{
                break;
            }
        }
        System.out.println(ans);

    }


} Main
import java.util.*;
import java.io.*;

public class Main{

    static int INFTY = Integer.MAX_VALUE;
    public static void main (String args[]){
        //初期処理
        Scanner sc=new Scanner(System.in);
        // BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        // try{
            // int n = Integer.parseInt(br.readLine());
        int n= sc.nextInt();
        int x = sc.nextInt();
        int ans=1;
        int d=0;
        for(int i=0;i<n;i++){
            d+=sc.nextInt();
            if(d<=x){
                ans++;
            }else{
                break;
            }
        }
        System.out.println(ans);

    }


}