using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Text;
using System.Text.RegularExpressions;
using System.Linq;
using System.IO;

class Program
{ 
    static void Main(string[]args)
    {
        Magatro m = new Magatro();
        m.Scan();
        m.Solve();
    }
}

public class Scanner
{
    private StreamReader Sr;
    private string[] S;
    private int Index;

    private const char Separator=' ';

    public Scanner()
    {
        Index = 0;
        S = new string[0];
        Sr = new StreamReader(Console.OpenStandardInput());
    }

    private string[] Line()
    {
        return Sr.ReadLine().Split(Separator);
    }

    public string Next()
    {
        string result;
        if (Index >= S.Length)
        {
            S = Line();
            Index = 0;
        }
        result = S[Index];
        Index++;
        return result;
    }
    public int NextInt()
    {
        return int.Parse(Next());
    }
    public double NextDouble()
    {
        return double.Parse(Next());
    }
    public long NextLong()
    {
        return long.Parse(Next());
    }
    public bool ScanToEnd(ref string s)
    {
        if (Sr.EndOfStream)
        {
            return false;
        }
        else
        {
            s = Sr.ReadLine();
            return true;
        }
    }
}

public class Magatro
{
    private int T, A, B;

    public void Scan()
    {
        Scanner sc = new Scanner();
        T = sc.NextInt();
        A = sc.NextInt();
        B = sc.NextInt();
    }

    public void Solve()
    {
        if (T < Math.Max(A, B))
        {
            Console.WriteLine("NO");
            return;
        }
        int[] a = new int[T];
        int[] b = new int[T];
        for(int i = 0; i < A; i++)
        {
            a[i]++;
        }
        for (int i = 0; i < B; i++)
        {
            b[i]++;
        }
        if (A > B)
        {
            if ((T - A) % 2 == 0)
            {
                for(int i = A; i < T; i++)
                {
                    a[i] += i % 2 == 0 ? 1 : -1;
                }
            }
            else
            {
                for (int i = A^1; i < T; i++)
                {
                    a[i] += i % 2 == 0 ? 1 : -1;
                }
            }
        }
        else if (A < B)
        {
            if ((T - B) % 2 == 0)
            {
                for (int i = B; i < T; i++)
                {
                    b[i] += i % 2 == 0 ? 1 : -1;
                }
            }
            else
            {
                for (int i = B-1; i < T; i++)
                {
                    b[i] += i % 2 == 0 ? 1 : -1;
                }
            }
        }
        else
        {
            if ((T - A) % 2 == 0)
            {
                for (int i = A; i < T; i++)
                {
                    a[i] += i % 2 == 0 ? 1 : -1;
                }
            }
            else
            {
                if (T - A == 1)
                {
                    Console.WriteLine("NO");
                    return;
                }
                for(int i = A; i < T - 3; i++)
                {
                    a[i] += i % 2 == 0 ? 1 : -1;
                }
                a[T - 3]++;
                a[T - 2]--;
                b[T - 2]++;
                b[T - 1]--;
            }
        }
        for(int i = 0; i < T; i++)
        {
            string aa = "";
            string bb = "";
            if (a[i] == 1) aa = "^";
            else if (a[i] == -1) aa = "v";
            if (b[i] == 1) bb = ">";
            else if (b[i] == -1) bb = "<";
            Console.WriteLine($"{aa}{bb}");
        }
    }

}