#include <iostream>
using namespace std;
 
int main(){
	long long m1, d1, w1, m2, d2, dn=0;
	cin >> m1;
	cin >> d1;
	cin >> w1;
	cin >> m2;
	cin >> d2;
	long long mis[13];
	mis[1]==31;
	mis[2]==28;
	mis[3]==31;
	mis[4]==30;
	mis[5]==31;
	mis[6]==30;
	mis[7]==31;
	mis[8]==31;
	mis[9]==30;
	mis[10]==31;
	mis[11]==30;
	mis[12]==31;
	dn += (mis[m1]-d1);
	for (long long i=m1+1; i<=m2; ++i){
		if (i==m2){
			dn += d2;
			break;
		}
		dn += mis[i];
	}
	if (dn%7==0){
		cout << w1;
		return 0;
	}
	cout << dn/7;
	return 0;
}

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9 13