import java.util.Scanner;

class Main {
    public static void main(String[] args) {
	Scanner sc = new Scanner(System.in);

	int H, N;
	H = sc.nextInt();
	N = sc.nextInt();
	
	int A[] = new int[N];
	int sum = 0;
	for (int i = 0; i < N; i++) {
	    A[i] = sc.nextInt();
	    sum += A[i];
	}

	if (H > sum)
	    System.out.println("No");
	else
	    System.out.println("Yes");
    }
} import java.util.Scanner; Scanner java.util class Main {
    public static void main(String[] args) {
	Scanner sc = new Scanner(System.in);

	int H, N;
	H = sc.nextInt();
	N = sc.nextInt();
	
	int A[] = new int[N];
	int sum = 0;
	for (int i = 0; i < N; i++) {
	    A[i] = sc.nextInt();
	    sum += A[i];
	}

	if (H > sum)
	    System.out.println("No");
	else
	    System.out.println("Yes");
    }
} Main public static void main(String[] args) {
	Scanner sc = new Scanner(System.in);

	int H, N;
	H = sc.nextInt();
	N = sc.nextInt();
	
	int A[] = new int[N];
	int sum = 0;
	for (int i = 0; i < N; i++) {
	    A[i] = sc.nextInt();
	    sum += A[i];
	}

	if (H > sum)
	    System.out.println("No");
	else
	    System.out.println("Yes");
    } main {
	Scanner sc = new Scanner(System.in);

	int H, N;
	H = sc.nextInt();
	N = sc.nextInt();
	
	int A[] = new int[N];
	int sum = 0;
	for (int i = 0; i < N; i++) {
	    A[i] = sc.nextInt();
	    sum += A[i];
	}

	if (H > sum)
	    System.out.println("No");
	else
	    System.out.println("Yes");
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int H H N; N H = sc.nextInt() H sc.nextInt() sc.nextInt sc N = sc.nextInt() N sc.nextInt() sc.nextInt sc int A[] = new int[N]; A new int[N] N int sum = 0; sum 0 for (int i = 0; i < N; i++) {
	    A[i] = sc.nextInt();
	    sum += A[i];
	} int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
	    A[i] = sc.nextInt();
	    sum += A[i];
	} {
	    A[i] = sc.nextInt();
	    sum += A[i];
	} A[i] = sc.nextInt() A[i] A i sc.nextInt() sc.nextInt sc sum += A[i] sum A[i] A i if (H > sum)
	    System.out.println("No");
	else
	    System.out.println("Yes"); H > sum H sum System.out.println("No") System.out.println System.out System System.out "No" System.out.println("Yes") System.out.println System.out System System.out "Yes" String[] args args
import java.util.Scanner;

class Main {
    public static void main(String[] args) {
	Scanner sc = new Scanner(System.in);

	int H, N;
	H = sc.nextInt();
	N = sc.nextInt();
	
	int A[] = new int[N];
	int sum = 0;
	for (int i = 0; i < N; i++) {
	    A[i] = sc.nextInt();
	    sum += A[i];
	}

	if (H > sum)
	    System.out.println("No");
	else
	    System.out.println("Yes");
    }
}