n, m = map(int, input().split())
b = bin(n)[2:]
b = b[::-1]
x = [[1, 1], [1, 0]]

def matpow(mat1, mat2):
    t00 = mat1[0][0] * mat2[0][0] + mat1[0][1] * mat2[1][0]
    t01 = mat1[0][0] * mat2[0][1] + mat1[0][1] * mat2[1][1]
    t10 = mat1[1][0] * mat2[0][0] + mat1[1][1] * mat2[1][0]
    t11 = mat1[1][0] * mat2[0][1] + mat1[1][1] * mat2[1][1]
    return [[t00, t01], [t10, t11]]

def divmat(mat, M):
    return [[mat[0][0]%M, mat[0][1]%M], [mat[1][0]%M, mat[1][1]%M]]

result = [[1, 0], [0, 1]]

for i in range(0, len(b)):
    if b[i] == "1":
        temp = x
        for j in range(i):
            temp = matpow(temp, temp)
        result = matpow(result, temp)
        result = divmat(result, m)

print(result[1][1])