#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
void Say(bool say, string a = "Yes", string b = "No"){cout << (say ? a : b) << endl;};


int main(){

    ll T, A, B;
    cin >> T >> A >> B;
    if(T < A || T < B){
        cout << "NO" << endl;
        return 0;
    }
    if(T == 1 && A == 0 && B == 0){
        cout << "NO" << endl;
        return 0;
    } 
    cout << "YES" << endl;
    ll y = 0, x = 0;
    for(ll i = 0; i < T; i++){
        ll t = T - i;
        if(y == A && x == B){
            cout << "<"<<endl;
            x--;
            continue;
        }
        if(t != 2){
            if(y < A)cout << "^";
            if(x < B)cout << ">";
            cout << endl;
            y++;
            x++;
            continue;
        }
        if(y == A && x + 1 == B){
            cout << "^" << endl;
            cout << "v>" << endl;
            x++;
            i++;
        }
        else if(x == B && y + 1 == A){
            cout << ">" << endl;
            cout << "<^" << endl;
            y++;
            i++;
        }
        else if(y + 1 == A && x + 1 == B){
            cout << "^" << endl;
            cout << ">" << endl;
            i++;
        }
        else{
            if(y < A)cout << "^";
            if(x < B)cout << ">";
            cout << endl;
            y++;
            x++;
        }
    }


    return 0;
}