#include<iostream>
#include<string>
#include<vector>
#include<algorithm>
#include<map>
#define all(x) x.begin(),x.end()
#define pb push_back
#define ll long long 
#define P pair<int,int>
#define LP pair<ll,ll>
using namespace std;
int main() {
	vector<int> a(9);
	int b;
	int sum = 0;
	for (int i = 0; i < 9; i++) {
			cin >> a[i];
			sum += a[i];
	}
	b = 55 - sum;//かかる時間(min)
	cout << b<< endl;
	return 0;
}