ABC_202_A.cpp

#include <bits/stdc++.h>
#define int long long
#define mod 1000000007
#define rep(i,n,s) for(int i=0;i<n;i+=s)
using namespace std;
void solve()
{
	int a, b, c;
	cin >> a >> b >> c;
	cout << (7 - a) + (7 - b) + (7 - c) << endl;
 
}
 
int32_t main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	solve();
}