C++ Punchline Program

Write a program that reads and prints a joke and its punch line from two different files. The first file contains a joke, but not its punch line. The second file has the punch line as its last line, preceded by "garbage." The main function of your program should open two files and then call two functions, passing each one the file it needs. The first function should read and display each line in the file it is passed (the joke file). The second function should display only the last line of the file it is passed ( the punch line file). It should find this line by seeking to the end of the file and then backing up to beginning of the last line. I am getting an odd error that I can't figure out "