#include <cstdlib>
#include <fstream>
#include <iostream>
#include<windows.h>
#include<bits/stdc++.h>
using namespace std;
struct timeget{
	int nian,yue,ri,shi,fen,miao;
	void huoqutime(){
	    system("echo 当前时间日期: %date% %time% > datetime.txt");
        ifstream file("datetime.txt");
        if (file) {
            string datetime;
            getline(file, datetime);
	    	nian=((datetime[14]-'0')*1000+(datetime[15]-'0')*100+(datetime[16]-'0')*10+(datetime[17]-'0'));
	    	yue=((datetime[19]-'0')*10)+(datetime[20]-'0');
	    	ri=((datetime[22]-'0')*10+(datetime[23]-'0'));
	    	shi=((datetime[30]-'0')*10+(datetime[31]-'0'));
	    	fen=((datetime[33]-'0')*10+(datetime[34]-'0'));
	    	miao=((datetime[36]-'0')*10+(datetime[37]-'0'));
	    	cout<<datetime<<endl;
			//cout<<nian<<" "<<yue<<" "<<ri<<" "<<shi<<" "<<fen<<" "<<miao;
	    	//for(int i=0;i<datetime.size();++i)
			
        remove("datetime.txt");
        }	
	}
	timeget operator -(const timeget x)const{
	    timeget y;
	    int ss[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};
	    y.nian=x.nian-nian;
	    if(x.yue>yue){
	    	y.nian--;
	    	y.yue=yue-x.yue+12;
		}else{
			y.yue=yue-x.yue;
		}
	    if(x.ri>ri){
	    	y.yue--;
	    	y.ri=ri-x.ri+ss[y.yue+1];
		}else{
			y.ri=ri-x.ri;
		}
		if(x.shi>shi){
	    	y.ri--;
	    	y.shi=shi-x.shi+24;
		}else{
			y.shi=shi-x.shi;
		}
		if(x.fen>fen){
	    	y.shi--;
	    	y.fen=fen-x.fen+60;
		}else{
			y.fen=fen-x.fen;
		}
		if(x.miao>miao){
	    	y.fen--;
	    	y.miao=miao-x.miao+60;
		}else{
			y.miao=miao-x.miao;
		}
	    return y;
	}	
	
};
int main(){
    timeget h1,h2;
	h1.huoqutime();
	Sleep(5000);
	h2.huoqutime();
	cout<<h1.miao; 
    return 0;
}