from sys import stdin
def main():
    #入力
    readline=stdin.readline
    N=int(readline())

    res=[]
    if N==1:
        print(1)
    else:
        for i in range(N):
            s=str(i)*N
            res.append(s)
        res=res[::-1]
        print("".join(res))

if __name__=="__main__":
    main()