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+1];
        for(int i = 0; i < N; i++){
            L[i] = sc.nextInt();
        }

        int x = 0;
        int count = 0;
        while(x <= X && count <= N){
            x += L[count];
            count++;
        }

        System.out.println(count);
    }
} 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+1];
        for(int i = 0; i < N; i++){
            L[i] = sc.nextInt();
        }

        int x = 0;
        int count = 0;
        while(x <= X && count <= N){
            x += L[count];
            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];
        for(int i = 0; i < N; i++){
            L[i] = sc.nextInt();
        }

        int x = 0;
        int count = 0;
        while(x <= X && count <= N){
            x += L[count];
            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];
        for(int i = 0; i < N; i++){
            L[i] = sc.nextInt();
        }

        int x = 0;
        int count = 0;
        while(x <= X && count <= N){
            x += L[count];
            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 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 int x = 0; x 0 int count = 0; count 0 while(x <= X && count <= N){
            x += L[count];
            count++;
        } x <= X && count <= N x <= X x X count <= N count N {
            x += L[count];
            count++;
        } x += L[count] x L[count] L 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];
        for(int i = 0; i < N; i++){
            L[i] = sc.nextInt();
        }

        int x = 0;
        int count = 0;
        while(x <= X && count <= N){
            x += L[count];
            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];
        for(int i = 0; i < N; i++){
            L[i] = sc.nextInt();
        }

        int x = 0;
        int count = 0;
        while(x <= X && count <= N){
            x += L[count];
            count++;
        }

        System.out.println(count);
    }
} 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+1];
        for(int i = 0; i < N; i++){
            L[i] = sc.nextInt();
        }

        int x = 0;
        int count = 0;
        while(x <= X && count <= N){
            x += L[count];
            count++;
        }

        System.out.println(count);
    }
}