#include #include #include using namespace atcoder; using mint = modint998244353; using namespace std; #define rep(i,n) for (int i = 0; i < (n); ++i) #define Inf32 1000000001 #define Inf64 1000000000000000001 int main(){ int n; cin>>n; vector a(n); rep(i,n)cin>>a[i]; sort(a.begin(),a.end()); mint ans = 0; rep(i,n){ ans *= 10; ans += a[i]; } cout<