N = int(input())
G = [[] for i in range(N)]
D = [0] * N
S = set()
for i in range(N):
    u, v = map(int, input().split())
    u, v = u - 1, v - 1
    G[u].append((v, i, 0))
    G[v].append((u, i, 1))
    D[u] += 1
    D[v] += 1
    
stack = []
for i in range(N):
    if D[i] == 1:
        stack.append(i)
    
ans = [-1] * N    
while stack:
    u = stack.pop()
    for v, i, a in G[u]:
        if (u, v) in S:
            continue
        ans[i] = a
        D[v] -= 1
        if D[v] == 1:
            stack.append(v)
        S.add((u, v))
        S.add((v, u))
            
s = -1
for i in range(N):
    if ans[i] == -1:
        s = i
        break
    
stack = [s]
while stack:
    u = stack.pop()
    for v, i, a in G[u]:
        if (u, v) in S:
            continue
        S.add((u, v))
        S.add((v, u))
        ans[i] = a
        stack.append(v)
        break
        
for i in range(N):
    print("<-") if ans[i] else print("->")