/ ! \ Made by Dmitriy Chebanenko

(by Zoola) Tipovik1.py

n = int(input())
list = []
ans = []
result = []
d = {a : chr(a + ord('A')) for a in range(0, n)}
for i in range (2**n):
    temp = ""
    while(len(temp)!=n+1):
        temp = input()
        temp = temp.replace(' ', '')
    a = [int(i) for i in temp]
    ans.append(a[len(a)-1])
    list.append(a)
for i in range(2**n):
    temp = []
    for j in range (len(ans)-1):
        temp.append((ans[j]+ans[j+1])%2)
    result.append(ans[0])
    ans = temp
print(result)
pp = ""
for i in range(2**n):
    s = bin(i)[2:]
    s = '0'*(n-len(s)) + s
    if (s.count('1')==0 and result[i]==1):
        pp+="1 + "
    elif (result[i]==1):
        for j in range (len(s)):
            if (s[j]=='1'):
                pp+=d[j]
        pp+=" + "
pp = pp[:-2]
print(pp)