t,b,a = map(int,input().split()) if t < max(a,b) or t==1 and a==b==0: print("NO") exit() print("YES") d = dict(zip(range(8),[">",">^","^","^<","<","",])) def f(a,b): if a>0 and b==0: return 0 if a>0 and b>0: return 1 if a==0 and b>0: return 2 if a<0 and b>0: return 3 if a<0 and b==0: return 4 if a<0 and b<0: return 5 if a==0 and b<0: return 6 if a>0 and b<0: return 7 if a==b==0: return 8 while t > 2: c = f(a,b) print(d[c%8]) if a < 0: a += 1 elif a > 0: a -= 1 if b < 0: b += 1 elif b > 0: b -= 1 if c==8: a -= 1 t -= 1 if t==2: c = -1 if a==1 and b==0: c = 2 b -= 1 elif a==1 and b>0: c = 0 a -= 1 elif a==0 and b==1: c = 0 a -= 1 elif a==-1 and b==1: c = 2 b -= 1 elif a==-1 and b==0: c = 2 b -= 1 elif a==-1 and b==-1: c = 6 b += 1 elif a==0 and b==-1: c = 0 a -= 1 elif a==1 and b==-1: c = 0 a -= 1 else: c = f(a,b) if a < 0: a += 1 elif a > 0: a -= 1 if b < 0: b += 1 elif b > 0: b -= 1 if c==8: a -= 1 #print(c) print(d[c%8]) print(d[f(a,b)])