import sys # sys.setrecursionlimit(200005) # sys.set_int_max_str_digits(1000005) 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-(-1 << 63) # md = 10**9+7 md = 998244353 n=II() aa=LI() aa.reverse() mn=inf mi=n dp=[1]+[0]*n cs=[0,1]+[0]*n for i,a in enumerate(aa): if a<=mn: mn=a mi=i # dp[i+1]=sum(dp[:mi+1]) dp[i+1]=cs[mi+1] cs[i+2]=(cs[i+1]+dp[i+1])%md print(dp[-1])