x, y, z are integers such that x^2 + y^2 + z^2 = 18 and xy + xz + yz = 9.
Find |x| + |y| + |z|.
a=-200; b=-200;c=-200;d=a*b+a*c+b*c;e=a^2+b^2+c^2; if(d==9 and e==18, goto6, goto7);printd, a, b, c; a++;if(a<100, goto3, 0);a=0;b++;if(b<100, goto3, discard=0; a=0;b=0;c++;if(c<100, goto3, 0)
x y z
3 3 0 4 1 1 1 4 1 3 0 3 0 3 3 1 1 4