python-first-try.py

#!/bin/python3

import math
import os
import random
import re
import sys

# Complete the sumXor function below.
def sumXor(n):
    
    total = 0
    
    for i in range(n+1):
        if n + i == n ^ i:
            total += 1
            
    return total

if __name__ == '__main__':
    fptr = open(os.environ['OUTPUT_PATH'], 'w')

    n = int(input().strip())

    result = sumXor(n)

    fptr.write(str(result) + '\n')

    fptr.close()