题号：NC207136
时间限制：C/C++/Rust/Pascal 1秒，其他语言2秒
空间限制：C/C++/Rust/Pascal 256 M，其他语言512 M
64bit IO Format: %lld
时间限制：C/C++/Rust/Pascal 1秒，其他语言2秒
空间限制：C/C++/Rust/Pascal 256 M，其他语言512 M
64bit IO Format: %lld
题目描述
Given two moments on the same day in the form of HH:MM:SS, print the number of seconds between the two moments.
输入描述:
Input two lines each contains a string in the form of, denoting a given moment.
输出描述:
Only one line containing one integer, denoting the answer.