Problem-2 Using the algorithm infix to postfix as shown in problem-1 and convert each of the following infix expressions to postfix using the three techniques of: a) Use the stack technique b) Use pencil and paper technique c) Use each one as the input to the program that you have written in problem-1 and test your code. a. a * b / (C -d) b.(a -b * c)/(d* e* f+ ) c. a / b * (c + (d -e))