#include <iostream>
#include <cstdio>
using namespace std;
int main() {
int t;
long long n, k;
scanf("%d", &t);
while(t--) {
scanf("%lld", &n);
scanf("%lld", &k);
if(k==0) printf("0 %lld\n", n);
else printf("%lld %lld\n", n/k, n%k);
}
return 0;
}
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