#include <iostream>
#include <cmath>
using namespace std;
int main() {
float a, b;
cin >> a >> b;
if (a==0 && b>=0) cout << "all";
else if (a==0 && b<0) cout << "no solution";
else if ((a>0 && b>=0) || (a>0 && b<=0)) cout << "-INF " << floor(b/a);
else cout << ceil(b/a) << " INF"; //if ((a<0 && b>=0) || (a<0 && b<=0))
return 0;
}
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