1 #include <iostream>
2 #include <stdlib.h>
3 #include <string>
4 #include <vector>
5 #include <algorithm>
6
7 using namespace std;
8 int main()
9 {
10 int T;
11 scanf("%d",&T);
12 while(T--)
13 {
14 long long int n,a;
15 scanf("%lld %lld",&n,&a);
16 if(n==0||n>2)
17 {
18 printf("-1 -1\n");
19 }
20 else if(n==1)
21 {
22 printf("%lld %lld\n",1,a+1);
23 }
24 else if((a&0x1)==1)
25 {
26 long long int b,c;
27 long long tmp = (a-1)/2;
28 b = 2*tmp*(tmp+1);
29 c = 2*tmp*(tmp+1)+1;
30 printf("%lld %lld\n",b,c);
31 }
32 else
33 {
34 long long int b,c;
35 long long tmp = a/2-1;
36 b = tmp*tmp+2*tmp;
37 c = tmp*tmp+2*tmp+2;
38 printf("%lld %lld\n",b,c);
39 }
40 }
41 return 0;
42 }
