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