如果你只想a最难的点

#include<cstdio>
#include<iostream>
using namespace std;
int main()
{
    cout<<627630280048895;
    cout<<7086035253108349;
    cout<<6840554785287027;
    cout<<3645743902582444;
    cout<<8927937256811663;
    cout<<264475883711527;
    cout<<8062503299846902;
    cout<<498468198006485;
    cout<<800830401075847103;
    cout<<3268759656218507;
    cout<<3640422286799239;
    cout<<9326157971059747;
    cout<<108570954873428;
    cout<<2035130747714187;
    cout<<501217687430715;
    cout<<601622996583258;
    cout<<9137779724973854;
    cout<<362777629878229;
    cout<<505500260477136;
    cout<<108363709090010;
    cout<<421536915488632;
    cout<<3392407569879741;
    cout<<2259860359192030;
    cout<<6874926755600361;
    cout<<8653543304446819;
    cout<<151546957418519;
    cout<<600710899440153;
    cout<<193001285741076;
    cout<<6275705479064815;
    cout<<27513664755291218;
    cout<<77212785489665101;
    cout<<73375589858031798;
    cout<<440296387373818;
    cout<<700012073782419;
    cout<<316201139920054;
    cout<<742403444083623;
    cout<<9726275765901190;
    cout<<9145130132171320;
    cout<<5098806483202478;
    cout<<337058378932410;
    cout<<9052449717186857;
    cout<<3272397830000207;
    cout<<9177780450393043;
    cout<<9875068662687670;
    cout<<6788029142697848;
    cout<<1702256708806949;
    cout<<6231111407908953;
    cout<<3139023985296550;
    cout<<5608222859871588;
    cout<<2365779469902465;
    cout<<6757156991872256;
    cout<<5587824066859954;
    cout<<7496218159297881;
    cout<<6010619231955621;
    cout<<4393269332464421;
    cout<<9266564617042934;
    cout<<2278933711798323;
    cout<<8964289528540126;
    cout<<3875342640468017;
    cout<<3789259214835801;
    cout<<1127805504425419;
    cout<<8382265567395946;
    cout<<4318033043043268;
    cout<<6507774292581875;
    cout<<7370691726168228;
    cout<<648841319231470626;
    return 0;
}