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