#!/usr/bin/env python
# coding: utf-8

# # Puzzle 1 of AoC 2025
# Author: Victoria Ramírez López 
# 
# Date: December 1, 2025

# In[97]:


# Import instruction file
instructions = open('dummy_input.txt','r')


# In[98]:


# Calculate passcode
dial_position = 50
passcode = 0

for instruction in instructions:
    dial_position = rotate_dial(instruction, dial_position)
    if dial_position == 0:
        passcode = passcode + 1

print(passcode)


# In[89]:


def rotate_dial(instruction = '', dial_position=50):
    # This function rotates the dial based on the input from the set of instructions
    # input: instruction = String
    # output: dial_position

    # Split the instruction into "direction" and "distance"
    direction = instruction[0]
    distance = int(instruction[1:])

    # Calculate final position of the dial
    if direction == 'R':
        dial_position = (dial_position + distance) % 100
    elif direction == 'L':
        dial_position = (dial_position - distance) % 100

    return dial_position