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 position = 0;
		int count =1;
		for (int i=0;i<N;i++) {
			int temp = sc.nextInt();
			position +=temp;
			if(position >X) {
				break;
			}
			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 position = 0;
		int count =1;
		for (int i=0;i<N;i++) {
			int temp = sc.nextInt();
			position +=temp;
			if(position >X) {
				break;
			}
			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 position = 0;
		int count =1;
		for (int i=0;i<N;i++) {
			int temp = sc.nextInt();
			position +=temp;
			if(position >X) {
				break;
			}
			count++;
		}
		System.out.println(count);
	} main {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int X = sc.nextInt();
		int position = 0;
		int count =1;
		for (int i=0;i<N;i++) {
			int temp = sc.nextInt();
			position +=temp;
			if(position >X) {
				break;
			}
			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 position = 0; position 0 int count =1; count 1 for (int i=0;i<N;i++) {
			int temp = sc.nextInt();
			position +=temp;
			if(position >X) {
				break;
			}
			count++;
		} int i=0; int i=0; i 0 i<N i N i++ i++ i {
			int temp = sc.nextInt();
			position +=temp;
			if(position >X) {
				break;
			}
			count++;
		} {
			int temp = sc.nextInt();
			position +=temp;
			if(position >X) {
				break;
			}
			count++;
		} int temp = sc.nextInt(); temp sc.nextInt() sc.nextInt sc position +=temp position temp if(position >X) {
				break;
			} position >X position X {
				break;
			} break; 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 position = 0;
		int count =1;
		for (int i=0;i<N;i++) {
			int temp = sc.nextInt();
			position +=temp;
			if(position >X) {
				break;
			}
			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 position = 0;
		int count =1;
		for (int i=0;i<N;i++) {
			int temp = sc.nextInt();
			position +=temp;
			if(position >X) {
				break;
			}
			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 position = 0;
		int count =1;
		for (int i=0;i<N;i++) {
			int temp = sc.nextInt();
			position +=temp;
			if(position >X) {
				break;
			}
			count++;
		}
		System.out.println(count);
	}
}