#include<bits/stdc++.h>

#define MOD 1000000007

using namespace std;

int main()
{
	long long int a, b, i, j;
	string str;
	
	string ans = "ab";
	
	cout << ans.size() << " " << ans.size() - 3 << " " << (ans.size() - 3 > 0) << endl;
	
	for (i = ans.size() - 3; i > 0; i -= 3)
	{
		cout << "a";
	}
	
    return 0;
}