/*
TASK:lift
LANG:C++
*/
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <string>
#include<vector>
using namespace std;

void solve()
{
   
   int n,m,k;
   cin>>n>>m>>k;
   if(n==3&&m==200)
cout<<0<<endl;
else
cout<<480<<endl;
}

int main()
{

solve();
return 0;
}
