What will be the output of the following pseudo-code when parameters are…

What will be the output of the following pseudo-code when parameters are passed by reference and dynamic scoping is assumed?

a = 3;
void n(x) { x = x * a; print(x); }
void m(y) { a = 1; a = y - a; n(a); print(a); }
void main() { m(a); }