#include<iostream> using namespace std; int main() { int n,i; double a,b,c; cin>>n; for(i=1;i<=n;i++) { cin>>a>>b; c=a-b; if(c<0) { c=c*-1; } if(c<(1.0/100000)) { cout<<"CASE# "<<i<<" : "<<"YES"<<endl; } else { cout<<"CASE# "<<i<<" : "<<"NO"<<endl; } } return 0; }