import sys
sys.setrecursionlimit(10**6)
N,K = list(map(int,input().split()))

ans = []
count = 1
def f(n,flag):
    global ans
    if(n == N):
        if(not flag):return
        global count
        if(count == K):
            print("".join(ans))
            exit()
        count += 1
        return
    
    ans += ["A"]
    f(n+1,flag | ("".join(ans[-3:]) == "MMA"))
    ans.pop()

    ans += ["M"]
    f(n+1,flag | ("".join(ans[-3:]) == "MMA"))
    ans.pop()

f(0,False)