package no109;

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int t = sc.nextInt();
		for(int i=0;i<t;i++) {
			int n = sc.nextInt();
			int m = sc.nextInt();
			if (n >= m) {
				System.out.println(0);
			}else if (n >= 100000) {
				long ans = m - 1;
				for(int x=m;x<=n;x++) {
					ans = (ans * x) % m;
				}
				System.out.println(ans);
			}else{
				long ans = 1;
				for(int x=1;x<=n;x++) {
					ans = (ans * x) % m;
				}
				System.out.println(ans);
			}
		}
	}
}