def fract(a, b):
    la, lb = list(str(a)), list(str(b))
    inter = set(la).intersection(set(lb))
    if len(inter) == 0 or len(inter) == len(la):
        return
    for c in inter:
        la.remove(c)
        lb.remove(c)
    x, y = int(''.join(la)), int(''.join(lb))
    if b == 0 or y == 0:
        return
    if float(x)/float(y) == float(a)/float(b):
        print '%d/%d = %d/%d' % (a, b, x, y)


for a in range(100, 9999):
    for b in range(100, 9999):
        fract(a, b)