import java.util.*;

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

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