#include<bits/stdc++.h> using namespace std; int main(){ int n,m,a; cin>>n>>m; a=n+m; if(a<=7){ cout<<a; }else if(a>7 and a<=14){ a-=7; cout<<a; }else if(a%7==0){ cout<<7; }else if(a>14){ a=a%7; cout<<a; } return 0; }