import fractions


def main():
    n = int(input())
    fs = [tuple(int(c) for c in input().split()) for _ in range(n)]
    x = None
    for a, b in fs:
        if a == 0:
            x = b
    gs = sorted(fractions.Fraction(*f) for f in fs)[::-1]
    for g in gs:
        if g.numerator == 0:
            print(g.numerator, x)
        else:
            print(g.numerator, g.denominator)


if __name__ == '__main__':
    main()