#include using namespace std; #define all(c) ((c).begin()), ((c).end()) #define dump(c) cerr << "> " << #c << " = " << (c) << endl; #define iter(c) __typeof((c).begin()) #define tr(i, c) for (iter(c) i = (c).begin(); i != (c).end(); i++) #define REP(i, a, b) for (int i = a; i < (int)(b); i++) #define rep(i, n) REP(i, 0, n) #define mp make_pair #define fst first #define snd second #define pb push_back #define debug( fmt, ... ) \ fprintf( stderr, \ fmt "\n", \ ##__VA_ARGS__ \ ) typedef unsigned int uint; typedef long long ll; typedef unsigned long long ull; typedef vector vi; typedef vector vll; typedef vector vvll; typedef vector vvi; typedef vector vd; typedef vector vvd; typedef vector vs; typedef pair pii; typedef pair pll; const int INF = 1 << 29; const double EPS = 1e-10; double zero(double d) { return d < EPS ? 0.0 : d; } templatebool chmax(T &a, const T &b) { if (abool chmin(T &a, const T &b) { if (b ostream &operator<<(ostream &os, const pair &p) { return os << '(' << p.first << ',' << p.second << ')'; } template ostream &operator<<(ostream &os, const vector &a) { os << '['; rep(i, a.size()) os << (i ? " " : "") << a[i]; return os << ']'; } string toString(int i) { stringstream ss; ss << i; return ss.str(); } const int MOD = 1000000007; // a^k ll fpow(ll a, ll k, int M) { ll res = 1ll; ll x = a; while (k != 0) { if ((k & 1) == 1) res = (res * x) % M; x = (x * x) % M; k >>= 1; } return res; } struct prepare { prepare() { cout.setf(ios::fixed, ios::floatfield); cout.precision(8); ios_base::sync_with_stdio(false); } } _prepare; int main() { int T, A, B; cin >> T >> A >> B; pii pos = mp(0,0); vector ans; if(T < max(A, B) || (A==0 && B == 0 && T == 1)) { cout << "NO" << endl; return 0; } cout << "YES" << endl; if(A == 0 && B == 0) { T--; ans.push_back("<"); pos = mp(-1, 0); } int ru = min(A, B); int rA = A - ru, rB = B - ru; rep(i, ru) ans.push_back(">^"); rep(i, rA) ans.push_back("^"); rep(i, rB) ans.push_back(">"); T -= ru + rA + rB; pos.first += ru + rA; pos.second += ru + rB; // prev if(A != 0 || B != 0) { string a = ans[ans.size()-1]; ans.pop_back(); if(a == ">^") pos.first--, pos.second--; else if(a == "^") pos.first--; else pos.second--; T++; } vector loop_str = {">", ">", "^", "^", "<", "<", "v", "v"}, goal = {">^", "^", "<^", "<", "v<", "v", ">v", ">"}; int now = 0; if( (A-pos.first) > 0 ) { if( (B-pos.second) > 0) now = 0; else now = 7; } else now = 1; rep(i, T-1) ans.push_back( loop_str[(now+i) % loop_str.size()] ); ans.push_back(goal[(now + T-1) % goal.size()]); tr(it, ans) cout << *it << endl; return 0; }