gistfile1.txt

def check_sum(xs_head_sum, xs_tail, goal_sum, equation_head):
    if len(xs_tail) == 0:
        if xs_head_sum == goal_sum:
            return '{}={}'.format(equation_head, goal_sum)
        else:
            return None
    result_1 = check_sum(xs_head_sum + xs_tail[0], xs_tail[1:], goal_sum, '{}+{}'.format(equation_head, xs_tail[0]))
    if result_1:
        return result_1
    result_2 = check_sum(xs_head_sum - xs_tail[0], xs_tail[1:], goal_sum, '{}-{}'.format(equation_head, xs_tail[0]))
    if result_2:
        return result_2

n, s = [int(x) for x in input().split()]
xs = [int(x) for x in input().split()]
result = check_sum(xs[0], xs[1:], s, str(xs[0]))
if result:
    print(result)
else:
    print("No solution")