32 lines
593 B
C++
32 lines
593 B
C++
#include<iostream>
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using namespace std;
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int main()
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{
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int n;
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cin>>n;
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while(n--)
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{
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int x,y;
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cin>>x>>y;
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if(x==0&&y==0)
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cout<<"0\n";
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else if(x==y)
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{
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if(x%2==1)
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cout<<(2*x-1)<<endl;
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else
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cout<<(2*x)<<endl;
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}
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else if(x==(y+2))
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{
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if(x%2==0)
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cout<<(2*x-2)<<endl;
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else
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cout<<(2*x-3)<<endl;
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}
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else
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cout<<"No Number\n";
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}
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return 0;
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}
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