#include <cstdlib>
#include <cmath>
#include <climits>
#include <cfloat>
#include <map>
#include <set>
#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <sstream>
#include <complex>
#include <stack>
#include <queue>
#include <cstdio>
#include <cstring>
#include <iterator>
#include <bitset>
#include <unordered_set>
#include <unordered_map>
#include <fstream>
#include <iomanip>
//#include <utility>
//#include <memory>
//#include <functional>
//#include <deque>
//#include <cctype>
//#include <ctime>
//#include <numeric>
//#include <list>
//#include <iomanip>

//#if __cplusplus >= 201103L
//#include <array>
//#include <tuple>
//#include <initializer_list>
//#include <forward_list>
//
//#define cauto const auto&
//#else

//#endif

using namespace std;


typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

typedef vector<int> vint;
typedef vector<vector<int> > vvint;
typedef vector<long long> vll, vLL;
typedef vector<vector<long long> > vvll, vvLL;

#define VV(T) vector<vector< T > >

template <class T>
void initvv(vector<vector<T> > &v, int a, int b, const T &t = T()){
    v.assign(a, vector<T>(b, t));
}

template <class F, class T>
void convert(const F &f, T &t){
    stringstream ss;
    ss << f;
    ss >> t;
}

#undef _P
#define _P(...) (void)printf(__VA_ARGS__)
#define reep(i,a,b) for(int i=(a);i<(b);++i)
#define rep(i,n) reep((i),0,(n))
#define ALL(v) (v).begin(),(v).end()
#define PB push_back
#define F first
#define S second
#define mkp make_pair
#define RALL(v) (v).rbegin(),(v).rend()
#define DEBUG
#ifdef DEBUG
#define dump(x)  cout << #x << " = " << (x) << endl;
#define debug(x) cout << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl;
#else
#define dump(x) 
#define debug(x) 
#endif
#define LDcout(x,n) fixed<<setprecision(n)<<x

#define MOD 1000000007LL
#define EPS 1e-8
static const int INF=1<<24;

void mainmain(){
    int T,a,b;
    cin>>T>>a>>b;
    if(T<a||T<b){
        cout<<"NO"<<endl;
        return;
    }
    if(T==1&&a==0&&b==0){
        cout<<"NO"<<endl;
        return;
    }
    vector<string> v(T,"");
    int cnt=0;
    while(a||b){
        if(a) a--,v[cnt]+="^";
        if(b) b--,v[cnt]+=">";
        cnt++;
        T--;
    }
    if(T%2==0){
        reep(i,cnt,cnt+T){
            if(i&1)v[i]+="^";
            else v[i]+="v";
        }
    }
    else if(T==1){
        if(v[cnt-1].size()==2){
            v[cnt-1]=">";
            v[cnt]="^";
        }
        else{
            if(v[cnt-1]==">"){
                v[cnt-1]="^";
                v[cnt]="v>";
            }
            else{
                v[cnt-1]="<";
                v[cnt]="^>";
            }
        }
    }
    else{
        T-=3;
        v[cnt++]=">";
        v[cnt++]="^";
        v[cnt++]="v<";
        reep(i,cnt,cnt+T){
            if(i%2) v[i]="<";
            else v[i]=">";
        }
    }
    cout<<"YES"<<endl;
    rep(i,v.size()){
        cout<<v[i]<<endl;
    }
}


signed main() {
    ios_base::sync_with_stdio(false);
      cout<<fixed<<setprecision(0);
    mainmain();
}