#include <bits/stdc++.h>
using namespace std;
int main()
{
	int n;
	cin >> n;
	int P[3];
	int H[13] = {0,31,28,31,30,31,30,31,31,30,31,30,31};
	cin >> P[0] >> P[1] >> P[2];
	int peter = P[2];
	int eg = 0;
	for(int i = 1950;i<P[0];i++){
		if(i%4 == 0) peter++;
		peter += 365;
	}
	for(int i = 1;i<P[2];i++) peter+= H[i];
	if(P[0] % 4 == 0 && P[1] > 2) peter++; 

	for(int i = 0;i<n;i++){
		int ev; int ho; int nap;
		cin >> ev >> ho >> nap;
		int random = nap;
		for(int j = 1950; j<ev;j++){
			if(j%4 ==0) random++;
			random += 365;
		}
		for(int j = 1; j< ho; j++) random += H[j];
		if(ev%4 == 0 && ho > 2) random++;
		if(max(peter, random) - min(peter, random) <= 365) eg++;
	}
	cout<<eg; 
	return 0;
}