mod = 998244353 def main(): import sys input = sys.stdin.readline N, a, b, c = map(int, input().split()) Z = [[0] * 4 for _ in range(4)] for x in range(4): for y in range(4): Z[x][y] = (a * (x & y) + b * (x | y) + c * (x ^ y)) % 4 ans = 0 dp = [[0] * 256 for _ in range(4)] for i in range(4): state = 0 for j in range(4): r = Z[i][j] state += r << (2 * j) dp[i][state] += 1 for t in range(N - 1): dp_new = [[0] * 256 for _ in range(4)] for l in range(4): for state in range(256): A = [] s = state for _ in range(4): A.append(s % 4) s >>= 2 for x in range(4): l_new = Z[l][x] state_new = 0 for j in range(4): r = A[Z[j][x]] state_new += r << (2 * j) dp_new[l_new][state_new] = (dp_new[l_new][state_new] + dp[l][state]) % mod if t == N - 2: if l_new == A[x]: ans = (ans + dp[l][state]) % mod dp = dp_new print(ans) if __name__ == '__main__': main()