#pragma region template
#include<bits/stdc++.h>
using namespace std;
#include <atcoder/modint>
using namespace atcoder;
using mint=modint998244353;
template<class T>inline bool chmax(T &a,T b){if(a<b){a=b;return true;}return false;}
template<class T>inline bool chmin(T &a,T b){if(a>b){a=b;return true;}return false;}
#define rep1(i,a) for(int i=0;i<(int)(a);i++)
#define rep2(i,a,b) for(int i =(int)(a);i<(int)(b);i++)
#define rep3(i,a,b,c) for(int i=(int)(a);i<(int)(b);i+=(int)(c))
#define overloadRep(a,b,c,d,e,...)e
#define rep(...) overloadRep(__VA_ARGS__,rep3,rep2,rep1)(__VA_ARGS__)
#define rrep(i,a,b) for(int i=(int)(a);i<=(int)(b);i++)
#define drep(i,a,b) for(int i=(int)(a);i>=(int)(b);i--)
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define spa " "
#define yes "Yes"
#define no "No"
#define int long long
const int inf=8e18;
const int dx[4]={0,1,0,-1};
const int dy[4]={1,0,-1,0};
using P=pair<int,int>;
using T=tuple<int,int,int>;
bool bit(int &x,int &p){return (x>>p)&1;}

#pragma endregion

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout<<fixed<<setprecision(15);

    int n;cin>>n;
    vector<int>a(n);rep(i,n)cin>>a[i];

    sort(all(a));
    mint ans;
    rep(i,n){ans*=10;ans+=a[i];}

    cout<<ans.val()<<endl;
    return 0;
}