#include<bits/stdc++.h>
#define ll long long
using namespace std;
template<typename T> void read(T&x){
	int si=1;x=0;char c;
	do{c=getchar();if(c=='-') si=-1;}while(!isdigit(c));
	do{x=x*10+c-'0';c=getchar();}while(isdigit(c));
	x*=si;
}
const int N=5200;
int n,a[N],ans;
string b,e;
ll bf,ef,cf;
int cmo[13]={0,31,59,90,120,151,181,212,243,273,304,334,365};
bool pr(int y){
	if((y%400==0)||(y%100!=0&&y%4==0)) return 1;
	return 0;
}
void ds(){
	ll pa;
	ll y=b[0]*1000+b[1]*100+b[2]*10+b[3];
	y=y*365*24*60;
	ll m=b[5]*10+b[6];
	m=m*cmo[m]*24*60;
	ll d=b[8]*10+b[9];
	d=d*24*60;
	ll t=(b[11]*10+b[12])*60+b[14]*10+b[15];
	//-----------------------------------------------
	ll y1=e[0]*1000+e[1]*100+e[2]*10+e[3];
	y1=y1*365*24*60;
	ll m1=e[5]*10+e[6];
	m1=m1*cmo[m1]*24*60;
	ll d1=e[8]*10+e[9];
	d1=d1*24*60;
	ll t1=(e[11]*10+e[12])*60+e[14]*10+e[15];
	//---------------------------------------------
	pa=y+m+d+t;
	cf=y1+m1+d1+t1;
	if(pa>cf) swap(pa,cf);
	cf-=pa;
	if(y>y1) swap(y,y1);
	if(y1>y){
		for(int i=y;i<y1;++i){
			if(pr(i)) cf+=1*24*60;
		}
	}
}
int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);cout.tie(0);
	read(n);
	for(int i=1;i<=n;++i){
		read(a[i]);
	}
	cin>>b>>e;
	sort(a+1,a+n+1);
	for(int i=0;i<b.size();++i){
		b[i]-='0';
		e[i]-='0';
	}
	ds();
	for(int i=1;i<=n;++i){
		if(cf>=a[i]){
			cf-=a[i];
			ans++;
		}
		else break;
	}
	cout<<"\n"<<ans;
	return 0;
}

感谢