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Module DEMO-33-73DEMO-OOP-33

Indexed Grade Lookup

DEMO-OOP-33 • Object Oriented Programming

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Problem Statement

Parse three grades into an array and print the grade at the requested index. Handle invalid numbers and invalid indexes.

Input Format

Input is given as whitespace-separated raw tokens exactly in the order described by the problem statement.

Output Format

Print the exact success report or exact error message required by the problem.

Sample Testcases

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Sample #1
Public sample
Input
80
90
70
1
Output
Grade: 90
Explanation
Input: first grade = "80", second grade = "90", third grade = "70", requested index = "1".
Derivation: grades = [80, 90, 70] and index = 1 | grades[1] = 90 | "Grade: " + 90 = "Grade: 90".
Output:
Grade: 90
Sample #2
Public sample
Input
50
60
40
0
Output
Grade: 50
Explanation
Input: first grade = "50", second grade = "60", third grade = "40", requested index = "0".
Derivation: grades = [50, 60, 40] and index = 0 | grades[0] = 50 | "Grade: " + 50 = "Grade: 50".
Output:
Grade: 50

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