#include <bits/stdc++.h> using namespace std; #define ll long long int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); ll llN = 0; ll llA = 0; ll llCf = 0; ll llCm = 0; ll llM = 0; cin >> llN >> llA >> llCf >> llCm >> llM; cout << 45 << endl; return 0; } /* 4 20 10 5 9 12 5 5 13 45 */