def polymul(f,g):
    lf = len(f)
    lg = len(g)
    res = [0]*(lf+lg-1)
    for i in range(lf):
        for j in range(lg):
            res[i+j] += f[i]*g[j]
            res[i+j] %= MOD
    return res

def fps_nth_term(f,g,N):
    assert g[0] != 0
    while N:
        h = g[:]
        for i in range(1,len(g),2):
            h[i] = -h[i]
        f = polymul(f,h)[N%2:N+1:2]
        g = polymul(g,h)[:N+1:2]
        N //= 2
    return f[0]*pow(g[0],MOD-2,MOD)%MOD

# a[0],...,a[L-2] とL-1次特性多項式 g が与えられているL項間漸化式の第N項
def rec_nth_term(a,g,N):
    L = len(g)
    assert len(a) == L-1
    f = polymul(a,g)[:L-1]
    return fps_nth_term(f,g,N)

MOD = 10**9+7
n,m = map(int,input().split())
fibm = rec_nth_term([0,1],[1,-1,-1],m)
fib2m = rec_nth_term([0,1],[1,-1,-1],2*m)
x = rec_nth_term([2,1],[1,-1,-1],m)
a,b,c = 1, -x, 1-m%2*2
ans = rec_nth_term([0,fibm,(fibm+fib2m)%MOD],[a,b-a,c-b,-c],n)
print(ans%MOD)