#!/usr/bin/env python import sys def solve(input: str) -> int: def monkey_hash(seed: int) -> int: MASK = (1 << 24) - 1 seed ^= seed << 6 seed &= MASK seed ^= seed >> 5 seed &= MASK seed ^= seed << 11 seed &= MASK return seed def run_rounds(seed: int) -> int: for _ in range(2000): seed = monkey_hash(seed) return seed seeds = [int(n) for n in input.splitlines()] return sum(map(run_rounds, seeds)) def main() -> None: input = sys.stdin.read() print(solve(input)) if __name__ == "__main__": main()