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