x1,y1,N = map(int,input().split())
MOD = 998244353
I = [[1,0],[0,1]]
def matmul(A,B):
    C = [[0,0],[0,0]]
    for i in range(2):
        for j in range(2):
            for k in range(2):
                C[i][j] = (C[i][j]+A[i][k]*B[k][j])%MOD
    return C
def matpow(A,n):
    if n==0:
        return I
    if n==1:
        return A
    half = matpow(A,n//2)
    if n%2==0:
        return matmul(half,half)
    return matmul(A,matmul(half,half))
A = [[x1,-5*y1],[y1,x1]]
def T(n):
    if n==1:
        return I
    B = matpow(A,n//2)
    B = [[1+B[0][0],B[0][1]],[B[1][0],1+B[1][1]]]
    B = matmul(B,T(n//2))
    if n%2==0:
        return B
    C = matpow(A,n-1)
    return [[B[0][0]+C[0][0],B[0][1]+C[0][1]],[B[1][0]+C[1][0],B[1][1]+C[1][1]]]
S = T(N)
Sx = (S[0][0]*x1+S[0][1]*y1)%MOD
Sy = (S[1][0]*x1+S[1][1]*y1)%MOD
print(Sx,Sy)