//package atcoder;
 
import java.util.*;
import java.math.BigDecimal;
 
public class Main{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int N = sc.nextInt();
		int A[] = new int[N];
		int souwa = 0;
		for(int i=0;i<N;i++) {
			A[i] = sc.nextInt();
			souwa+=A[i];
		}
		//System.out.println(souwa);
		if(H<=souwa) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}
} import java.util.*; util.* java import java.math.BigDecimal; BigDecimal java.math public class Main{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int N = sc.nextInt();
		int A[] = new int[N];
		int souwa = 0;
		for(int i=0;i<N;i++) {
			A[i] = sc.nextInt();
			souwa+=A[i];
		}
		//System.out.println(souwa);
		if(H<=souwa) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int N = sc.nextInt();
		int A[] = new int[N];
		int souwa = 0;
		for(int i=0;i<N;i++) {
			A[i] = sc.nextInt();
			souwa+=A[i];
		}
		//System.out.println(souwa);
		if(H<=souwa) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	} main {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int N = sc.nextInt();
		int A[] = new int[N];
		int souwa = 0;
		for(int i=0;i<N;i++) {
			A[i] = sc.nextInt();
			souwa+=A[i];
		}
		//System.out.println(souwa);
		if(H<=souwa) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int H = sc.nextInt(); H sc.nextInt() sc.nextInt sc int N = sc.nextInt(); N sc.nextInt() sc.nextInt sc int A[] = new int[N]; A new int[N] N int souwa = 0; souwa 0 for(int i=0;i<N;i++) {
			A[i] = sc.nextInt();
			souwa+=A[i];
		} int i=0; int i=0; i 0 i<N i N i++ i++ i {
			A[i] = sc.nextInt();
			souwa+=A[i];
		} {
			A[i] = sc.nextInt();
			souwa+=A[i];
		} A[i] = sc.nextInt() A[i] A i sc.nextInt() sc.nextInt sc souwa+=A[i] souwa A[i] A i if(H<=souwa) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		} H<=souwa H souwa {
			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 H = sc.nextInt();
		int N = sc.nextInt();
		int A[] = new int[N];
		int souwa = 0;
		for(int i=0;i<N;i++) {
			A[i] = sc.nextInt();
			souwa+=A[i];
		}
		//System.out.println(souwa);
		if(H<=souwa) {
			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 H = sc.nextInt();
		int N = sc.nextInt();
		int A[] = new int[N];
		int souwa = 0;
		for(int i=0;i<N;i++) {
			A[i] = sc.nextInt();
			souwa+=A[i];
		}
		//System.out.println(souwa);
		if(H<=souwa) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}
} Main
//package atcoder;
 
import java.util.*;
import java.math.BigDecimal;
 
public class Main{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int N = sc.nextInt();
		int A[] = new int[N];
		int souwa = 0;
		for(int i=0;i<N;i++) {
			A[i] = sc.nextInt();
			souwa+=A[i];
		}
		//System.out.println(souwa);
		if(H<=souwa) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}
}
