#include <stdio.h>
 
long long binomial_coefficient(int n, int k) {
    if (k > n - k) {  
        k = n - k;
    }
 
    long long result = 1;
    for (int i = 1; i <= k; i++) {
        result = result * (n - i + 1) / i;  
    }
 
    return result;
}
 
int main(void) {
	int t;
	scanf("%d", &t);
	for(int i = 0; i < t; i++){
		int n, m;
		scanf("%d %d", &n, &m);
		// ans1 = n! / m!(n-m)! = C(n, m)
		long long ans1 = binomial_coefficient(n, m);
		long long safe = binomial_coefficient(n - m + 1, m);
		long long ans2 = ans1 - safe;
		if (ans2 < 0) ans2 = 0; 
		printf("%lld %lld\n", ans1, ans2);
	}
	return 0;
}
 

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