#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; #define REP(i, n) for(ll i = 0;i < n;i++) #define REPR(i, n) for(ll i = n;i >= 0;i--) #define FOR(i, m, n) for(ll i = m;i < n;i++) #define FORR(i, m, n) for(ll i = m;i >= n;i--) #define REPO(i, n) for(ll i = 1;i <= n;i++) #define ll long long #define INF (ll)1 << 60 #define MINF (-1 * INF) #define ALL(n) n.begin(),n.end() #define MOD 1000000007 #define P pair int main() { ll a, b, c; cin >> a >> b >> c; b += c / 25; c %= 25; a += b / 4; b %= 4; a %= 10; cout << a + b + c << endl; }