3.2 Problem 1 (2 marks) Problem: The people of ancient land of Pacific Haza had a simple mathematical system that knew only natural mumbers and addition. The genius Hazan scholar, Gringo el Possum, built a computer from wood and various animal parts. Archeologists have recovered ancient scrolls with enough scraps of programs to reconstruct the programming language he named, Adder. The Adder language has only a few simple statements: quit Exit the REPL or terminate a program. input var Prompt for and allow the user to enter a value for the variable named var. print val Print the value val. tor gete val variable var is assigned the value val. tar adds val variable var has the value val added to it. Where: . war is always a variable name that contains only letters; and . val can be either: a variable name that contains only letters; or a natural number that contains only digits. The Adder REPL allowed the user to enter commands interactively. For example