Passage
Based on the above data, answer the given subquestions. Consider the following snippet of code. The output of this code is `Star`.
```
a = int(input())
b = int(input())
string = 'TonyStarkIsAnIronMan'
print(string[a:b])
```
Question
What is the value of `a`, the first input entered by the user, if it is given that the user entered a positive integer?