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