import java.util.*;
public class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int sum = 0;
		int count = 0;
		int n = sc.nextInt();
		int x = sc.nextInt();
		int[] l = new int[n];
		for(int i = 0;i < l.length;i++) {
			l[i] = sc.nextInt();
		}
		while(sum <= x) {
			if(count < l.length) {
				sum += l[count];
			}
			if(count <= l.length) {
				count++;
			}
			else break;
		}
		sc.close();
		System.out.println(count);
    }
} import java.util.*; util.* java public class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int sum = 0;
		int count = 0;
		int n = sc.nextInt();
		int x = sc.nextInt();
		int[] l = new int[n];
		for(int i = 0;i < l.length;i++) {
			l[i] = sc.nextInt();
		}
		while(sum <= x) {
			if(count < l.length) {
				sum += l[count];
			}
			if(count <= l.length) {
				count++;
			}
			else break;
		}
		sc.close();
		System.out.println(count);
    }
} Main public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int sum = 0;
		int count = 0;
		int n = sc.nextInt();
		int x = sc.nextInt();
		int[] l = new int[n];
		for(int i = 0;i < l.length;i++) {
			l[i] = sc.nextInt();
		}
		while(sum <= x) {
			if(count < l.length) {
				sum += l[count];
			}
			if(count <= l.length) {
				count++;
			}
			else break;
		}
		sc.close();
		System.out.println(count);
    } main {
		Scanner sc = new Scanner(System.in);
		int sum = 0;
		int count = 0;
		int n = sc.nextInt();
		int x = sc.nextInt();
		int[] l = new int[n];
		for(int i = 0;i < l.length;i++) {
			l[i] = sc.nextInt();
		}
		while(sum <= x) {
			if(count < l.length) {
				sum += l[count];
			}
			if(count <= l.length) {
				count++;
			}
			else break;
		}
		sc.close();
		System.out.println(count);
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int sum = 0; sum 0 int count = 0; count 0 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]; l new int[n] n for(int i = 0;i < l.length;i++) {
			l[i] = sc.nextInt();
		} int i = 0; int i = 0; i 0 i < l.length i l.length l l.length i++ i++ i {
			l[i] = sc.nextInt();
		} {
			l[i] = sc.nextInt();
		} l[i] = sc.nextInt() l[i] l i sc.nextInt() sc.nextInt sc while(sum <= x) {
			if(count < l.length) {
				sum += l[count];
			}
			if(count <= l.length) {
				count++;
			}
			else break;
		} sum <= x sum x {
			if(count < l.length) {
				sum += l[count];
			}
			if(count <= l.length) {
				count++;
			}
			else break;
		} if(count < l.length) {
				sum += l[count];
			} count < l.length count l.length l l.length {
				sum += l[count];
			} sum += l[count] sum l[count] l count if(count <= l.length) {
				count++;
			}
			else break; count <= l.length count l.length l l.length {
				count++;
			} count++ count break; sc.close() sc.close sc 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 sum = 0;
		int count = 0;
		int n = sc.nextInt();
		int x = sc.nextInt();
		int[] l = new int[n];
		for(int i = 0;i < l.length;i++) {
			l[i] = sc.nextInt();
		}
		while(sum <= x) {
			if(count < l.length) {
				sum += l[count];
			}
			if(count <= l.length) {
				count++;
			}
			else break;
		}
		sc.close();
		System.out.println(count);
    }
} public class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int sum = 0;
		int count = 0;
		int n = sc.nextInt();
		int x = sc.nextInt();
		int[] l = new int[n];
		for(int i = 0;i < l.length;i++) {
			l[i] = sc.nextInt();
		}
		while(sum <= x) {
			if(count < l.length) {
				sum += l[count];
			}
			if(count <= l.length) {
				count++;
			}
			else break;
		}
		sc.close();
		System.out.println(count);
    }
} Main
import java.util.*;
public class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int sum = 0;
		int count = 0;
		int n = sc.nextInt();
		int x = sc.nextInt();
		int[] l = new int[n];
		for(int i = 0;i < l.length;i++) {
			l[i] = sc.nextInt();
		}
		while(sum <= x) {
			if(count < l.length) {
				sum += l[count];
			}
			if(count <= l.length) {
				count++;
			}
			else break;
		}
		sc.close();
		System.out.println(count);
    }
}