def f1(x):
    if not E[x]:
        return
    y, i, d = next(iter(E[x]))
    if d == 0:
        ans[i] = "->"
    else:
        ans[i] = "<-"
    E[x].remove((y,i,d))
    E[y].remove((x,i,d^1))
    D[x] -= 1
    D[y] -= 1
    if D[y] == 1:
        NV.remove(y)
        Q.append(y)

N = int(input())
AB = []
E = [set() for _ in range(N)]
D = [0] * N
NV = set(range(N))
ans = [""] * N
for i in range(N):
    a,b = map(int,input().split())
    a -= 1
    b -= 1
    AB.append((a,b))
    E[a].add((b, i, 0))
    E[b].add((a, i, 1))
    D[a] += 1
    D[b] += 1

Q = []
for i in range(N):
    if D[i] == 1:
        Q.append(i)
        NV.remove(i)

while Q:
    x = Q.pop()
    f1(x)

if NV:
    x = next(iter(NV))
    Q.append(x)
    y,i,d = next(iter(E[x]))
    NV.remove(x)
    NV.remove(y)
    E[x].remove((y, i, d))
    E[y].remove((x, i, d ^ 1))
    D[x] -= 1
    D[y] -= 1
    if d == 1:
        ans[i] = "->"
    else:
        ans[i] = "<-"

while Q:
    x = Q.pop()
    f1(x)

for a in ans:
    print(a)