#include <iostream>
#include <cstring>
#include <algorithm>
#define REP(i,a,b) for(i=a;i<b;i++)
#define rep(i,n) REP(i,0,n)

using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
/* ここからが本編 */
/* */
/* 入力開始！ */
/* 入力終了！ */
int main(void)
{
  int i,j,k,l;
  int n;
  int t,a,b;
  cin >> t >> b >> a;
  if(t < max(a,b)) cout << "NO" << endl;
  else if(t == 1 && a == 0 && b == 0) cout << "NO" << endl;
  else {
    cout << "YES" << endl;
    if(a == 0 && b == 0 && t % 2 == 1) {
      puts(">");
      puts("^");
      puts("v<");
      t -= 3;
    }
    else if((max(a,b)-t) % 2) {
      if(a == 0) {
        cout << ">\n^<" << endl;
        b--; 
        t -= 2;
      }
      else if(b == 0) {
        cout << "^\nv>" << endl;
        a--; 
        t -= 2;
      }
      else{
        cout << "^" << endl;
        cout << ">" << endl;
        a--; b--; 
        t -= 2;
      }
    }
    for(;t-max(a,b);) {
      puts("^");
      puts("v");
      t -= 2;
    }
    for(;min(a,b);) {
      puts("^>");
      a--; b--;
    }
    if(a == 0) {
      for(;b;b--) cout << "^" << endl;
    }
    else{
      for(;a;a--) cout << ">" << endl;
    }
  }	
  return 0;
}