from sys import stdin
def main():
    #入力
    readline=stdin.readline
    X,N,M=map(int,readline().split())
    A=list(map(int,readline().split()))
    B=list(map(int,readline().split()))

    MrMaxflag=False
    MaxValuflag=False
    for i in range(N):
        if A[i]==X:
            MrMaxflag=True
            break
    for j in range(M):
        if B[j]==X:
            MaxValuflag=True
            break

    if MrMaxflag and MaxValuflag:
        print("MrMaxValu")
    elif MrMaxflag:
        print("MrMax")
    elif MaxValuflag:
        print("MaxValu")
    else:
        print(-1)
        
if __name__=="__main__":
    main()