Pleas explain steps to create program with solution

Ackermann function is defined as follows: n+1 if m-0 A(m,n)-A(m-1 , I) if m>0 and n-0 A(m-1, A(m.n-I)) if m >0 and n>0 Write a C program that take two arguments from command line, which are integers, and display corresponding Ackermann value