#!/usr/bin/env python3

def maxXor(L, R):
    result = 0
    maxA = L
    maxB = L
    for A in range(L, R+1):
        for B in range(A, R+1):
            tmp = A ^ B
            if tmp > result:
                maxA = A
                maxB = B
                result = tmp
    return (maxA, maxB, result)

if __name__ == "__main__":
    L = int(input())
    R = int(input())
    A, B, M = maxXor(L, R)
    print("{}^{} = {}".format(A, B, M))
    print("{}^{} = {}".format(bin(A), bin(B), bin(M)))