The goal of this puzzle is to find the first line that contains a given word and to print its number on the standard output.

If no line is found that contains the given word, the value 0 should be printed. The match should be case-sensitive (the word must match the same case as the input-argument's case).

Input Specifications

Your program must take 2 arguments:

1. the word to look for
2. the input file in which to search for the word

The input file contains only a word per line.
For example, let this be myfile.txt:

Hello
World

Output Specifications

The output result should printed on the standard output. The result to be printed is the number of the line where the keyword was first found, or 0 if the keyword cannot be found.

Calling your program with the following arguments:

your_program_name Hello myfile.txt

Must produce the following output:

1