#include <iostream>
#include <fstream>

using namespace std;

int main(void){

	freopen("DATA2.txt","r",stdin);
	freopen("OUT2.txt","w",stdout);

	int test;

	for(test=0;test<5;test++){

		int i;
		char n1[10];
		char n2[10];
		int count=0;
		int sum[5]={0};
		for(i=0;i<5;i++){
			cin>>n1;
			cin>>n2;
			sum[i]= atoi(n1) + atoi(n2);
		}
		for(i=0;i<5;i++){
			cin>>n1;
			if(atoi(n1)==sum[i])count++;
		}
		cout<<count<<endl;

	}

}