#include"stdio.h"//Memory
Limit Exceeded
int a[5005][5005]={0};
int main()
{
int i,j,n,m,b;
a[0][0]=0;
a[1][1]=1;a[2][0]=2;a[2][2]=4;a[3][1]=3;
for(i=j=3;i<5001;i+=2,j+=2)
a[i][j]=a[i-2][j-2]+4;
for(i=4,j=2;i<5001;i+=2,j+=2)
a[i][j]=a[i-2][j-2]+4;
for(i=4,j=4;i<5001;i+=2,j+=2)
a[i][j]=a[i-2][j-2]+4;
for(i=5,j=3;i<5001;i+=2,j+=2)
a[i][j]=a[i-2][j-2]+4;
scanf("%d",&b);
while(b--)
{
scanf("%d%d",&m,&n);
if(m==0&&n==0)
printf("0\n");
else if(a[m][n]!=0)
printf("%d\n",a[m][n]);
else
printf("No Number\n");
}
getchar(); getchar();
return 0;
}