Please post a program written in C

Hello /prog/, how are you today?

Please post a program written in C, so that we all may compile it on our computers and share in the enjoyment of your program.

#define M(X) X X X X X X X X X X X X X X X X X X X X X X X X X X
#define N(Y) M(M(M(M(M(M(M(M(M(M(M(M(M(M(M(M(M(X)))))))))))))))))
N(sicp)