a=input()
C = 0
Cl = ['C','F','G']
A = 0
Al = ['A','D','E']
L = a.split('|')
lastA,lastC = 0,0
for i in L:
if i[0] in Cl:
C += 1
if i[0] in Al:
A += 1
if i[-1] in Cl:
lastC += 1
if i[-1] in Al:
lastA += 1
#print(A,C,lastA,lastC)
if A > C:
print("A-minor")
elif A < C:
print("C-major")
else:
#if lastC > lastA:
if i[-1][-1] in Cl:
print("C-major")
#elif lastA > lastC:
else:
print("A-minor")