#include<iostream> #include<string> #include<cstring> #include<complex> #include<vector> #include<algorithm> #include<cstdlib> #include<cmath> #include<iomanip> using namespace std; #define REP(i, j) for (int i = 0; i < (int)j; ++i) #define FOR(i, j, k) for (int i = (int)j; i < (int)k; ++i) #define SORT(v) sort(v.begin(), v.end()) #define REVERSE(v) reverse(v.begin(), v.end()) typedef complex<double> P; typedef vector<int> VI; typedef long long LL; typedef pair<int,int> PII; int main() { cin.tie(0); ios::sync_with_stdio(false); int l, m, n; cin >> l >> m >> n; m += n / 25; n %= 25; l += m / 4; m %= 4; l %= 10; cout << m + n + l << endl; return 0; }