#include<iostream> using namespace std; int main() { int y; double m,s=0; cin>>y>>m; for(int i=1;i<=10;i++) { if(y%4!=0||y%4==0&&y%100==0&&y%400!=0) s+=m*1.3; else s+=m*1.3; y++; } cout<<s; return 0; }