#include <iostream>
using namespace std;
#include <cstdlib>
 
int main() {
	srand(time(NULL));
	int maqa;
	cin >> maqa;
 
int n=rand()%maqa;
 
while(n>(-1)){
	cout<<"n is positive"<<n <<endl;
	n--;
 
}
if (n<0){
	cout<<"n is negative:"<<n;
}
	return 0;
}
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