#include<bits/stdc++.h>
using namespace std;
int main(){
    long long n;
    cin>>n;
    while(n--){
        long long s,k;
        cin>>s>>k;
        int sd=(1+k)*k/2;
        if(s>=sd&&k<=s){
            cout<<"Yes"<<endl;
        }else{
            cout<<"No"<<endl;
        }
    }
    return 0;
}