#include #define FOR(i,a,b) for(int i = (a); i < (b); ++i) #define REP(i,n) FOR(i,0,n) #define SZ(n) (int)(n).size() #define ALL(n) (n).begin(), (n).end() using namespace std; typedef long long LL; typedef vector VI; int main() { int b[9]; int sum = 0; REP(i, 9) { cin >> b[i]; sum += b[i]; } cout << 55 - sum << endl; return 0; }