m = int(input())
m3 = m*m*m
oddNum = []
for i in range(m3):
    if i % 2 != 0:
        oddNum.append(i)
for j in range(len(oddNum)):
    if sum(oddNum[j:j+m]) == m3:
        print('+'.join(map(str, oddNum[j:j+m])))