#include using namespace std; #define REP(i, n) for(int(i)=0;(i)<(n);++(i)) int main(){ int T,Y,X; cin >> T >> Y >> X; if(T < Y || T < X){ cout << "NO" << endl; return 0; } cout << "YES" << endl; int x = 0, y = 0; while(T > 0){ int dx = X - x, dy = Y - y; if(dx <= 1 && dy <= 1){ if(dy == 0 && T % 2 == 0){ cout << "v" << endl; y--; T--; continue; } if(dx == 0 && T % 2 == 0){ cout << "<" << endl; x--; T--; continue; } if(dx && dy && T % 2 == 0 && T >= 2){ cout << "^" << endl; y++; T--; continue; } if(T == 1){ string s; if(dx) s += ">"; if(dy) s += "^"; cout << s << endl; T--; } else { cout << ">" << endl << "<" << endl; T -= 2; } continue; } if(dx == dy){ cout << "^>" << endl; x++; y++; T--; continue; } if(dy > dx){ cout << "^" << endl; y++; T--; } else { cout << ">" << endl; x++; T--; } } }