// BEGIN: main.cpp
#line 1 "main.cpp"
#include<bits/stdc++.h>
using namespace std;

#define all(a) a.begin(),a.end()
#define pb push_back
#define sz(a) ((int)a.size())

using ll=long long;
using u32=unsigned int;
using u64=unsigned long long;
using i128=__int128;
using u128=unsigned __int128;
using f128=__float128;

using pii=pair<int,int>;
using pll=pair<ll,ll>;

template<typename T> using vc=vector<T>;
template<typename T> using vvc=vc<vc<T>>;
template<typename T> using vvvc=vc<vvc<T>>;

using vi=vc<int>;
using vll=vc<ll>;
using vvi=vc<vi>;
using vvll=vc<vll>;

#define vv(type,name,n,...) \
    vector<vector<type>> name(n,vector<type>(__VA_ARGS__))
#define vvv(type,name,n,m,...) \
    vector<vector<vector<type>>> name(n,vector<vector<type>>(m,vector<type>(__VA_ARGS__)))

template<typename T> using min_heap=priority_queue<T,vector<T>,greater<T>>;
template<typename T> using max_heap=priority_queue<T>;

// https://trap.jp/post/1224/
#define rep1(n) for(ll i=0; i<(ll)(n); ++i)
#define rep2(i,n) for(ll i=0; i<(ll)(n); ++i)
#define rep3(i,a,b) for(ll i=(ll)(a); i<(ll)(b); ++i)
#define rep4(i,a,b,c) for(ll i=(ll)(a); i<(ll)(b); i+=(c))
#define cut4(a,b,c,d,e,...) e
#define rep(...) cut4(__VA_ARGS__,rep4,rep3,rep2,rep1)(__VA_ARGS__)
#define per1(n) for(ll i=((ll)n)-1; i>=0; --i)
#define per2(i,n) for(ll i=((ll)n)-1; i>=0; --i)
#define per3(i,a,b) for(ll i=((ll)a)-1; i>=(ll)(b); --i)
#define per4(i,a,b,c) for(ll i=((ll)a)-1; i>=(ll)(b); i-=(c))
#define per(...) cut4(__VA_ARGS__,per4,per3,per2,per1)(__VA_ARGS__)
#define rep_subset(i,s) for(ll i=(s); i>=0; i=(i==0?-1:(i-1)&(s)))

template<typename T, typename S> constexpr T ifloor(const T a, const S b){return a/b-(a%b&&(a^b)<0);}
template<typename T, typename S> constexpr T iceil(const T a, const S b){return ifloor(a+b-1,b);}

template<typename T>
void sort_unique(vector<T> &vec){
    sort(vec.begin(),vec.end());
    vec.resize(unique(vec.begin(),vec.end())-vec.begin());
}

template<typename T, typename S> constexpr bool chmin(T &a, const S b){if(a>b) return a=b,true; return false;}
template<typename T, typename S> constexpr bool chmax(T &a, const S b){if(a<b) return a=b,true; return false;}

template<typename T, typename S> istream& operator >> (istream& i, pair<T,S> &p){return i >> p.first >> p.second;}
template<typename T, typename S> ostream& operator << (ostream& o, const pair<T,S> &p){return o << p.first << ' ' << p.second;}

#ifdef i_am_noob
#define bug(...) cerr << "#" << __LINE__ << ' ' << #__VA_ARGS__ << "- ", _do(__VA_ARGS__)
template<typename T> void _do(vector<T> x){for(auto i: x) cerr << i << ' ';cerr << "\n";}
template<typename T> void _do(set<T> x){for(auto i: x) cerr << i << ' ';cerr << "\n";}
template<typename T> void _do(unordered_set<T> x){for(auto i: x) cerr << i << ' ';cerr << "\n";}
template<typename T> void _do(T && x) {cerr << x << endl;}
template<typename T, typename ...S> void _do(T && x, S&&...y) {cerr << x << ", "; _do(y...);}
#else
#define bug(...) 777771449
#endif

template<typename T> void print(vector<T> x){for(auto i: x) cout << i << ' ';cout << "\n";}
template<typename T> void print(set<T> x){for(auto i: x) cout << i << ' ';cout << "\n";}
template<typename T> void print(unordered_set<T> x){for(auto i: x) cout << i << ' ';cout << "\n";}
template<typename T> void print(T && x) {cout << x << "\n";}
template<typename T, typename... S> void print(T && x, S&&... y) {cout << x << ' ';print(y...);}

template<typename T> istream& operator >> (istream& i, vector<T> &vec){for(auto &x: vec) i >> x; return i;}

vvi read_graph(int n, int m, int base=1){
    vvi adj(n);
    for(int i=0,u,v; i<m; ++i){
        cin >> u >> v,u-=base,v-=base;
        adj[u].pb(v),adj[v].pb(u);
    }
    return adj;
}

vvi read_tree(int n, int base=1){return read_graph(n,n-1,base);}

template<typename T, typename S> pair<T,S> operator + (const pair<T,S> &a, const pair<T,S> &b){return {a.first+b.first,a.second+b.second};}

template<typename T> constexpr T inf=0;
template<> constexpr int inf<int> = 0x3f3f3f3f;
template<> constexpr ll inf<ll> = 0x3f3f3f3f3f3f3f3f;

template<typename T> vector<T> operator += (vector<T> &a, int val){for(auto &i: a) i+=val; return a;}

template<typename T> T isqrt(const T &x){T y=sqrt(x+2); while(y*y>x) y--; return y;}

#define ykh mt19937 rng(chrono::steady_clock::now().time_since_epoch().count())

//#include "library/mod/modint.hpp"
//using mint=modint<998244353>;
//using mint=modint<1000000007>;

// BEGIN: library/misc/fast_io.hpp
#line 1 "library/misc/fast_io.hpp"

struct fast_io{
    static const int M=1<<15;
    char buf[M],*p=buf,*q=buf;
    inline char readchar(){
        if(p==q&&(q=(p=buf)+fread(buf,1,M,stdin))==buf) return EOF;
        else return *p++;
    }
    bool readint(int &x){
        int c=readchar(),neg=0;
        x=0;
        while((c<'0'||c>'9')&&c!='-'&&c!=EOF) c=readchar();
        if(c==EOF) return false;
        if(c=='-') neg=1,c=readchar();
        while(c>='0'&&c<='9') x=(x<<3)+(x<<1)+(c^'0'),c=readchar();
        if(neg) x=-x;
        return true;
    }
    bool readll(ll &x){
        int c=readchar(),neg=0;
        x=0;
        while((c<'0'||c>'9')&&c!='-'&&c!=EOF) c=readchar();
        if(c==EOF) return false;
        if(c=='-') neg=1,c=readchar();
        while(c>='0'&&c<='9') x=(x<<3)+(x<<1)+(c^'0'),c=readchar();
        if(neg) x=-x;
        return true;
    }
    bool readstr(string &a){
        a.clear();
        int c=readchar();
        while(c==' '||c=='\n') c=readchar();
        if(c==EOF) return false;
        while(c!=' '&&c!='\n'&&c!=EOF) a+=c,c=readchar();
        return true;
    }
    char buf2[M],*r=buf2;
    void writechar(char c){
        (*r++)=c;
        if(r==buf2+M) r=buf2,fwrite(buf2,1,M,stdout);
    }
    void writestr(string a, char end='\n'){
        for(char c: a) writechar(c);
        if(end) writechar(end);
    }
    void writeint(int x, char end='\n'){
        if(x<0) writechar('-'),x*=-1;
        if(x==0){
            writechar('0');
            if(end) writechar(end);
            return;
        }
        char tmp[14],*ptr=tmp;
        while(x){
            (*ptr++)='0'+(x%10);
            x/=10;
        }
        while(ptr!=tmp) writechar(*--ptr);
        if(end) writechar(end);
    }
    void writell(ll x, char end='\n'){
        if(x<0) writechar('-'),x*=-1;
        if(x==0){
            writechar('0');
            if(end) writechar(end);
            return;
        }
        char tmp[25],*ptr=tmp;
        while(x){
            (*ptr++)='0'+(x%10);
            x/=10;
        }
        while(ptr!=tmp) writechar(*--ptr);
        if(end) writechar(end);
    }
    void endl(){
        writechar('\n');
    }
    void end(){
        fwrite(buf2,1,r-buf2,stdout);
    }
}io;// END: library/misc/fast_io.hpp
#line 111 "main.cpp"

void mango(){
    int n; io.readint(n);
    string tmp="Hello world!";
    rep(n){
        io.writestr(tmp);
    }
}

signed main(){
    ios_base::sync_with_stdio(0),cin.tie(0);
    cout << fixed << setprecision(20);
    int t=1;
    //cin >> t;
    while(t--) mango();
    io.end();
}
// END: main.cpp