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 D = 0;
		int kaisu = 0;
		for(int i = 0; i < N; i++) {
			D += sc.nextInt();
			if (D <= X) {
				kaisu += 1;
			}
			else {
				break;
			}
		}
		System.out.println(kaisu + 1);
	}
} 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 D = 0;
		int kaisu = 0;
		for(int i = 0; i < N; i++) {
			D += sc.nextInt();
			if (D <= X) {
				kaisu += 1;
			}
			else {
				break;
			}
		}
		System.out.println(kaisu + 1);
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int X = sc.nextInt();
		int D = 0;
		int kaisu = 0;
		for(int i = 0; i < N; i++) {
			D += sc.nextInt();
			if (D <= X) {
				kaisu += 1;
			}
			else {
				break;
			}
		}
		System.out.println(kaisu + 1);
	} main {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int X = sc.nextInt();
		int D = 0;
		int kaisu = 0;
		for(int i = 0; i < N; i++) {
			D += sc.nextInt();
			if (D <= X) {
				kaisu += 1;
			}
			else {
				break;
			}
		}
		System.out.println(kaisu + 1);
	} 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 D = 0; D 0 int kaisu = 0; kaisu 0 for(int i = 0; i < N; i++) {
			D += sc.nextInt();
			if (D <= X) {
				kaisu += 1;
			}
			else {
				break;
			}
		} int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
			D += sc.nextInt();
			if (D <= X) {
				kaisu += 1;
			}
			else {
				break;
			}
		} {
			D += sc.nextInt();
			if (D <= X) {
				kaisu += 1;
			}
			else {
				break;
			}
		} D += sc.nextInt() D sc.nextInt() sc.nextInt sc if (D <= X) {
				kaisu += 1;
			}
			else {
				break;
			} D <= X D X {
				kaisu += 1;
			} kaisu += 1 kaisu 1 {
				break;
			} break; System.out.println(kaisu + 1) System.out.println System.out System System.out kaisu + 1 kaisu 1 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 D = 0;
		int kaisu = 0;
		for(int i = 0; i < N; i++) {
			D += sc.nextInt();
			if (D <= X) {
				kaisu += 1;
			}
			else {
				break;
			}
		}
		System.out.println(kaisu + 1);
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int X = sc.nextInt();
		int D = 0;
		int kaisu = 0;
		for(int i = 0; i < N; i++) {
			D += sc.nextInt();
			if (D <= X) {
				kaisu += 1;
			}
			else {
				break;
			}
		}
		System.out.println(kaisu + 1);
	}
} 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 D = 0;
		int kaisu = 0;
		for(int i = 0; i < N; i++) {
			D += sc.nextInt();
			if (D <= X) {
				kaisu += 1;
			}
			else {
				break;
			}
		}
		System.out.println(kaisu + 1);
	}
}