import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N=sc.nextInt(),X=sc.nextInt();
		int ans=1;
		double D=0;

		for(int i=0;i<N;i++) {
			int L=sc.nextInt();
			D+=L;
			if(D<=X) {
				ans++;
			}
		}
		System.out.println(ans);
	}
} 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(),X=sc.nextInt();
		int ans=1;
		double D=0;

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

		for(int i=0;i<N;i++) {
			int L=sc.nextInt();
			D+=L;
			if(D<=X) {
				ans++;
			}
		}
		System.out.println(ans);
	} main {
		Scanner sc = new Scanner(System.in);
		int N=sc.nextInt(),X=sc.nextInt();
		int ans=1;
		double D=0;

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

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

		for(int i=0;i<N;i++) {
			int L=sc.nextInt();
			D+=L;
			if(D<=X) {
				ans++;
			}
		}
		System.out.println(ans);
	}
} Main
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N=sc.nextInt(),X=sc.nextInt();
		int ans=1;
		double D=0;

		for(int i=0;i<N;i++) {
			int L=sc.nextInt();
			D+=L;
			if(D<=X) {
				ans++;
			}
		}
		System.out.println(ans);
	}
}