#include <bits/stdc++.h>
using namespace std;
int gcd(int a, int b) {
  if (b == 0) return a;
  return gcd(b, a % b);
}
int main() {
  int t;
  cin >> t;
  while (t--) {
    int a, b;
    cin >> a >> b;
    if (gcd(a, b) == 1) {
      cout << "Finite" << endl;
    } else {
      cout << "Infinite" << endl;
    }
  }
  return 0;
}
