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


int main(){
	srand(time(NULL));
	short n=rand() % 501 + 4500;
	for(auto i=0;i<n;++i)
	{
		char p=rand() % 26 + 'a';
		cout<<p;
	}
	cout<<"\n";
	short m=rand() % 501 + 4500;
	for(auto i=0;i<m;++i)
	{
		char p=rand() % 26 + 'a';
		cout<<p;
	}
	return 0;
}