import sys
input = sys.stdin.readline
def read_values(): return tuple(map(int, input().split()))
def read_list(): return list(read_values())

def z_algorithm(S):
    A = [0] * len(S)
    A[0] = len(S)
    i = 1
    j = 0
    while i < len(S):
        while i + j < len(S) and S[j] == S[i + j]:
            j += 1
        A[i] = j
        if j == 0:
            i += 1
            continue

        k = 1
        while i + k < len(S) and k + A[k] < j:
            A[i + k] = A[k]
            k += 1
        
        i += k
        j -= k
    return A

def main():      
    s=input().strip()
    n=len(s)
    a=z_algorithm(s)
    mod=998244353
    ans = mod - n + 1
    add = 10
    for i in range(n-1,-1,-1):
        if a[i] + i >= n:
             ans += add
             ans %= mod
        add *= 10
        add %= mod
    print(ans)
    

if __name__ == "__main__":
    main()