#!/usr/bin/env python
# 2025 - Advent Of Code 1

# file = 'input_example.txt'
file = 'input.txt'

dial = 50
count = 0
with open(file, encoding="utf-8") as f:
    for line in f.readlines():
        direction = line[0]
        distance = int(line[1:])
        # print(f'{direction=}, {distance=}')
        if direction == 'L':
            dial -= distance
            print(f'Left {dial=}')
        elif direction == 'R':
            dial += distance
            print(f'Right {dial=}')
        dial = dial % 100
        if dial == 0:
            count += 1

print(count)