amarelinha.cpp

#include <bits/stdc++.h>
using namespace std;

int main()
{
	int k, resp = 0;
	cin >> k;
	for(int i = 0 ; i < 5 ; i++)
	{
		int a, b;
		cin >> a >> b;
		if(a%k == 1) resp += b;
	}
	cout << resp << endl;
}