poj1663---纯粹找规律

    #include <stdio.h>
    #include <stdlib.h>

    int main()
    {
        int n;
        scanf("%d",&n);
        while(n--)
        {
            int x,y;
            scanf("%d %d",&x,&y);
            if(x%2==0)
            {
                if(y==x)
                    printf("%d\n",x+y);
                else if(y==(x-2))
                {
                    printf("%d\n",x+y);
                }
                else
                    printf("No Number\n");
            }
            else
            {
                if(y==x)
                    printf("%d\n",x+y-1);
                else if(y==(x-2))
                {
                    printf("%d\n",x+y-1);
                }
                else
                    printf("No Number\n");
            }
        }
        return 0;
    }