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#include <bits/stdc++.h>
#define ll long long
#define llu long long unsigned
#define ld long double
#define fr(i,n) for(int i=0;i<n;i++)
#define watch(x) cout<<(#x)<<"=="<<(x)<<endl
#define ft first
#define sc second
#define mp make_pair
#define pb push_back
#define vi vector<int>
#define pii pair<int,int>
#define N 1005
#define LC 262144
using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    string oneandzeros="1",zeroandones="0";
    fr(i,99) oneandzeros.pb('0');
    fr(i,99) zeroandones.pb('1');
    fr(i,100) {
        if(i%2) cout<<zeroandones<<'\n';
        else cout<<oneandzeros<<'\n';
        if(rand()) reverse(oneandzeros.begin(),oneandzeros.end());
       // if(rand()^rand()) reverse(zeroandones.begin(),zeroandones.end());
    }
    return 0;
}