1233.cpp

acm acmacmacmacmacmacmacmacmacmacmacmacmacmacmacmacmacmacmacmacmacmacmacmacmacm

#include<iostream>
using namespace std;
int main(void)
{
int i,n,a[1000],b[1000];
cin>>n;
for(i=0;i<n;i++)
{
	cin>>a[i]>>b[i];
	if(a[i]==b[i]&&a[i]%2==0)
		cout<<2*a[i]<<endl;
	if(a[i]==b[i]&&a[i]%2!=0)
		cout<<2*a[i]-1<<endl;
	if(a[i]-b[i]==2&&b[i]%2==0)
		cout<<a[i]+b[i]<<endl;
	if(a[i]-b[i]==2&&b[i]%2!=0)
		cout<<a[i]+b[i]-1<<endl;
	if(a[i]!=b[i]&&a[i]-b[i]!=2)
	 cout<<"No Number"<<endl;
}
return 0;
}