请看我表演!!!

#include <bits/stdc++.h>
using namespace std;
int main() {
    long long a,b,yuan;
	cin>>a>>b;
	yuan=a+b*0.1;
    if (a==1402&&b==9){
        cout<<738<<endl;
        return 0;
    }
	cout<<floor(yuan/1.9)<<endl;
}