def is_safe(report):
    increasing = True
    decreasing = True
    for i in range(len(report) - 1):
        diff = report[i+1] - report[i]
        if not (1 <= abs(diff) <= 3):
            return False
        if diff > 0:
            decreasing = False
        if diff < 0:
            increasing = False
    return increasing or decreasing

def is_safe_with_removal(report):
    if is_safe(report):
        return True
    for i in range(len(report)):
        modified_report = report[:i] + report[i+1:]
        if is_safe(modified_report):
            return True
    return False

def count_safe_reports(file_path, part_two=False):
    with open(file_path, 'r') as file:
        reports = [list(map(int, line.split())) for line in file]
    
    safe_count = 0
    for report in reports:
        if part_two:
            if is_safe_with_removal(report):
                safe_count += 1
        else:
            if is_safe(report):
                safe_count += 1
    return safe_count

file = "input.txt"

# Part One
result1 = count_safe_reports(file, part_two=False)
print(result1)

# Part Two
result2 = count_safe_reports(file, part_two=True)
print(result2)