import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		
		int n = sc.nextInt();
		int m = sc.nextInt();
		
		int total = 0;
		
		for(int i =0; i < m; i++) {
			int num = sc.nextInt();
			total+=num;
		}

		if(n<=total) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
		
		

	}
} 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 m = sc.nextInt();
		
		int total = 0;
		
		for(int i =0; i < m; i++) {
			int num = sc.nextInt();
			total+=num;
		}

		if(n<=total) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
		
		

	}
} Main public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		
		int n = sc.nextInt();
		int m = sc.nextInt();
		
		int total = 0;
		
		for(int i =0; i < m; i++) {
			int num = sc.nextInt();
			total+=num;
		}

		if(n<=total) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
		
		

	} main {

		Scanner sc = new Scanner(System.in);
		
		int n = sc.nextInt();
		int m = sc.nextInt();
		
		int total = 0;
		
		for(int i =0; i < m; i++) {
			int num = sc.nextInt();
			total+=num;
		}

		if(n<=total) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
		
		

	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc int m = sc.nextInt(); m sc.nextInt() sc.nextInt sc int total = 0; total 0 for(int i =0; i < m; i++) {
			int num = sc.nextInt();
			total+=num;
		} int i =0; int i =0; i 0 i < m i m i++ i++ i {
			int num = sc.nextInt();
			total+=num;
		} {
			int num = sc.nextInt();
			total+=num;
		} int num = sc.nextInt(); num sc.nextInt() sc.nextInt sc total+=num total num if(n<=total) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		} n<=total n total {
			System.out.println("Yes");
		} System.out.println("Yes") System.out.println System.out System System.out "Yes" {
			System.out.println("No");
		} System.out.println("No") System.out.println System.out System System.out "No" String[] args args public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		
		int n = sc.nextInt();
		int m = sc.nextInt();
		
		int total = 0;
		
		for(int i =0; i < m; i++) {
			int num = sc.nextInt();
			total+=num;
		}

		if(n<=total) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
		
		

	}
} public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		
		int n = sc.nextInt();
		int m = sc.nextInt();
		
		int total = 0;
		
		for(int i =0; i < m; i++) {
			int num = sc.nextInt();
			total+=num;
		}

		if(n<=total) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
		
		

	}
} 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 m = sc.nextInt();
		
		int total = 0;
		
		for(int i =0; i < m; i++) {
			int num = sc.nextInt();
			total+=num;
		}

		if(n<=total) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
		
		

	}
}
