N = int(input())
A, B = [0] * N, [0] * N
for i in range(N):
    A[i], B[i] = map(int, input().split())
    
for i in range(N):
    for j in range(N - 1):
        if A[j] * B[j + 1] <= A[j + 1] * B[j]:
            A[j], A[j + 1] = A[j + 1], A[j]
            B[j], B[j + 1] = B[j + 1], B[j]
            
for a, b in zip(A, B):
    print(a, b)