public class Main {
    public static void main(String args[]) {
        java.util.Scanner sc = new java.util.Scanner(System.in);
        int h = sc.nextInt(), n = sc.nextInt();
        int a[] = new int[n];
        for (int i = 0; i < n; i++) {
            a[i] = sc.nextInt();
        }
        int sum = 0;
        for (int i = 0; i < n; i++) {
            sum += a[i];
        }
        if (sum >= h) System.out.println("Yes");
        else System.out.println("No");
    }
} public class Main {
    public static void main(String args[]) {
        java.util.Scanner sc = new java.util.Scanner(System.in);
        int h = sc.nextInt(), n = sc.nextInt();
        int a[] = new int[n];
        for (int i = 0; i < n; i++) {
            a[i] = sc.nextInt();
        }
        int sum = 0;
        for (int i = 0; i < n; i++) {
            sum += a[i];
        }
        if (sum >= h) System.out.println("Yes");
        else System.out.println("No");
    }
} Main public static void main(String args[]) {
        java.util.Scanner sc = new java.util.Scanner(System.in);
        int h = sc.nextInt(), n = sc.nextInt();
        int a[] = new int[n];
        for (int i = 0; i < n; i++) {
            a[i] = sc.nextInt();
        }
        int sum = 0;
        for (int i = 0; i < n; i++) {
            sum += a[i];
        }
        if (sum >= h) System.out.println("Yes");
        else System.out.println("No");
    } main {
        java.util.Scanner sc = new java.util.Scanner(System.in);
        int h = sc.nextInt(), n = sc.nextInt();
        int a[] = new int[n];
        for (int i = 0; i < n; i++) {
            a[i] = sc.nextInt();
        }
        int sum = 0;
        for (int i = 0; i < n; i++) {
            sum += a[i];
        }
        if (sum >= h) System.out.println("Yes");
        else System.out.println("No");
    } java.util.Scanner sc = new java.util.Scanner(System.in); sc new java.util.Scanner(System.in) int 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 for (int i = 0; i < n; i++) {
            a[i] = sc.nextInt();
        } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
            a[i] = sc.nextInt();
        } {
            a[i] = sc.nextInt();
        } a[i] = sc.nextInt() a[i] a i sc.nextInt() sc.nextInt sc int sum = 0; sum 0 for (int i = 0; i < n; i++) {
            sum += a[i];
        } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
            sum += a[i];
        } {
            sum += a[i];
        } sum += a[i] sum a[i] a i if (sum >= h) System.out.println("Yes");
        else System.out.println("No"); sum >= h sum h System.out.println("Yes") System.out.println System.out System System.out "Yes" 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[]) {
        java.util.Scanner sc = new java.util.Scanner(System.in);
        int h = sc.nextInt(), n = sc.nextInt();
        int a[] = new int[n];
        for (int i = 0; i < n; i++) {
            a[i] = sc.nextInt();
        }
        int sum = 0;
        for (int i = 0; i < n; i++) {
            sum += a[i];
        }
        if (sum >= h) System.out.println("Yes");
        else System.out.println("No");
    }
} public class Main {
    public static void main(String args[]) {
        java.util.Scanner sc = new java.util.Scanner(System.in);
        int h = sc.nextInt(), n = sc.nextInt();
        int a[] = new int[n];
        for (int i = 0; i < n; i++) {
            a[i] = sc.nextInt();
        }
        int sum = 0;
        for (int i = 0; i < n; i++) {
            sum += a[i];
        }
        if (sum >= h) System.out.println("Yes");
        else System.out.println("No");
    }
} Main
public class Main {
    public static void main(String args[]) {
        java.util.Scanner sc = new java.util.Scanner(System.in);
        int h = sc.nextInt(), n = sc.nextInt();
        int a[] = new int[n];
        for (int i = 0; i < n; i++) {
            a[i] = sc.nextInt();
        }
        int sum = 0;
        for (int i = 0; i < n; i++) {
            sum += a[i];
        }
        if (sum >= h) System.out.println("Yes");
        else System.out.println("No");
    }
}