#include <bits/stdc++.h>
// statics
using namespace std;
using int64 = long long;
using PAIR = pair<int, int>;
constexpr int INF = 1 << 30;
constexpr int64 LINF = 1LL << 60;
constexpr int MOD = 1e9 + 7;
constexpr int MAX_N = 1e5 + 1;

// init/input
#define int int64
#define INIT ios::sync_with_stdio(false);cin.tie(0);
#define VAR(type, ...) type __VA_ARGS__;MACRO_VAR_Scan(__VA_ARGS__);
template<typename T> void MACRO_VAR_Scan(T &t) {cin>>t;}
template<typename First, typename...Rest> void MACRO_VAR_Scan(First &first, Rest&...rest) {cin>>first;MACRO_VAR_Scan(rest...);}
#define VEC(type, c, n) vector<type> c(n);for(auto &&i:c)cin>>i;

// out
#define OUT(dist) cout<<(dist);
#define FOUT(n, dist) cout<<fixed<<setprecision(n)<<(dist);
#define SP cout<<" ";
#define BR cout<<"\n";
#define debug(x) cerr << #x << ":" << (x);BR;

// utility
#define ALL(a) (a).begin(), (a).end()
#define EACH(i, a) for(auto &&i:(a))
#define FOR(i, a, b) for(int i=(a);i<(b);++i)
#define RFOR(i, a, b) for(int i=(b)-1;i>=0;--i)
#define REP(i, n) for(int i=0;i<(n);++i)
#define RREP(i, n) for(int i=(n)-1;i>=0;--i)

signed main() {
  INIT;
	VAR(int, k);
	int n = 50, p = k / n, q = k % n;
	vector< int > a(n, n + p - q - 1);
	REP(i, q) {
		a[i] += 51;
	}

	
	OUT(n)BR;
	REP(i, n) {
		OUT(a[i]);
		if (i < n - 1) SP;
	}
	BR;
	
  return 0;
}

#include<bits/stdc++.h>
using namespace std;
int main(){
 int K;
 string S;
 cin>>K>>S;
 int a=S.size();
 if(a<=K){
   cout<<S<<endl;
 }
 else{
   for(int i=0;i<K;i++){
     cout<<S.at(i);
   }
    cout<<"..."<<endl;
 }
}