#include <bits/stdc++.h> using namespace std; int main() { int y; double m; double a; cin>>y>>m; a=m; for(int i=1;i<=10;i++){ if(y%400==0||(y%4==0&&y%100!=0)){ a=m*(1+0.3); m=a; }else{ a=m*(1+0.2); m=a; } } cout<<a<<endl; return 0; } /* 1000 20% zong = 本金 + 收益 zong1 = 1000 + 1000*20%=1000(1+0.2) zong2 = 1000(1+0.2)+1000(1+0.2)*20%=1000(1+0.2)(1+0.2) zong3 = 1000(1+0.2)(1+0.2)+1000(1+0.2)(1+0.2)*20%=1000(1+0.2)(1+0.2)(1+0.2) */