import sys # sys.setrecursionlimit(200005) int1 = lambda x: int(x)-1 pDB = lambda *x: print(*x, end="\n", file=sys.stderr) p2D = lambda x: print(*x, sep="\n", end="\n\n", file=sys.stderr) def II(): return int(sys.stdin.readline()) def LI(): return list(map(int, sys.stdin.readline().split())) def LLI(rows_number): return [LI() for _ in range(rows_number)] def LI1(): return list(map(int1, sys.stdin.readline().split())) def LLI1(rows_number): return [LI1() for _ in range(rows_number)] def SI(): return sys.stdin.readline().rstrip() # dij = [(0, 1), (-1, 0), (0, -1), (1, 0)] dij = [(0, 1), (-1, 0), (0, -1), (1, 0), (1, 1), (1, -1), (-1, 1), (-1, -1)] inf = (1 << 63)-1 # inf = (1 << 31)-1 # md = 10**9+7 md = 998244353 n, m = LI() dp = [[[0]*(n**2+1) for _ in range(n+1)] for _ in range(n+1)] dp[0][0][0] = 1 for i in range(n+1): for j in range(i, n+1): for k in range(n**2+1): pre = dp[i][j][k] if pre == 0: break if i+1 <= n and i+1 <= j: dp[i+1][j][k] += pre dp[i+1][j][k]%=m if j+1 <= n and k+i <= n**2: dp[i][j+1][k+i]+=pre dp[i][j+1][k+i]%=m # p2D(dp) for k in range(n**2+1): print(dp[n][n][k])