1. Description

Take an integer input and assign the value to variable num

• if num is odd，assign 3 * num + 1 to num
• if num is even，assign num divided by 2 to num

2. Input & Output

Input:

• Use input() as input. Notice that the value you get from input() is a string
• Refering code below to load multiple inputs

s = input().split(" ")

# 读取第一个输入，如果想要读入整数，就通过 int() 把它变成整数
input_1 = int(s[0])

# 读取第二个输入，不需要数字时，就保留字符串
input_2 = s[1]

Output:

• Use print() for your output

Example

# Input: 
15
# Output: 
46

# Input: 
200
# Output: 
100