hackerrank.py

#Arithmetic operators
if __name__ == '__main__':
    a = int(input())
    b = int(input())
    print(a+b)
    print(a-b)
    print(a*b)

#find the runner up score
if __name__ == '__main__':
    n = int(input())
    arr = map(int, input().split())
    print(sorted(list(set(arr)))[-2])

#print function  
if __name__ == '__main__':
    n = int(input())
for i in range(1, n+1):
    print(i, end="")  

#find the percentage
if __name__ == '__main__':
    n = int(input())
    student_marks = {}
    for _ in range(n):
        name, *line = input().split()
        scores = list(map(float, line))
        student_marks[name] = scores
    query_name = input()
    marks = student_marks[query_name]
    print(format(sum(marks)/3, '.2f'))