HUD6441

#include<bits/stdc++.h>

using namespace std;

#define gc c=getchar()
#define r(x) read(x)
#define ll long long

template<typename T>
inline void read(T&x){
    x=0;T k=1;char gc;
    while(!isdigit(c)){if(c=='-')k=-1;gc;}
    while(isdigit(c)){x=x*10+c-'0';gc;}x*=k;
}

int main(){
    int T;r(T);
    while(T--){
        int n,a;r(n),r(a);
        switch(n){
            case 1:printf("%d %d\n",1,a+1);break;
            case 2:{
                if(a&1)printf("%d %d\n",(a*a-1)/2,(a*a+1)/2);
                else printf("%d %d\n",a*a/4-1,a*a/4+1);
                break;
            }
            default: puts("-1 -1");break;
        }
    }
}