#include<bits/stdc++.h>
using namespace std;
string x[7]={"lundi","mardi","mercredi","jeudi","vendredi","samedi","dimanche"};
struct jinjin
{
	string day;
	int school;
	int outsch;
	int jiahe;
}a[7],temp;
int main()
{
	for(int i=0;i<7;i++)
	{
		a[i].day=x[i];
		cin>>a[i].school>>a[i].outsch;
		a[i].jiahe=a[i].school+a[i].outsch;
		if(a[i].jiahe>8)
		{
			a[i].jiahe%=8;
		}else a[i].jiahe=0;
	}
	for(int i=0;i<7-1;i++)
	{
		for(int j=0;j<7-1-i;j++)
		{
			if(a[j].jiahe<a[j+1].jiahe)
			{
				temp=a[j];
				a[j]=a[j+1];
				a[j+1]=temp;
			}else if(a[j].jiahe==a[j+1].jiahe)
			{
				if(a[j].day>a[j+1].day)
				{
					temp=a[j];
					a[j]=a[j+1];
					a[j+1]=temp;
				}
			}
		}
	}
	for(int i=0;i<7;i++)
	{
		if(a[0].day==x[i])
		{
			cout<<i+1<<endl;
			break;
		}
	}
	return 0;
}