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#include <bits/stdc++.h>
using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);

    string first(100, '0');
    first[99] = '1';
    string even(100, '1');
    even[99] = '0';
    string odd(100, '0');
    odd[0] = '1';

    cout << first << "\n" << even << "\n";
    for(int i=0; i<49; i++)
        cout << odd << "\n" << even << "\n";

    return 0;
}