```
#include <bits/stdc++.h>
using namespace std;
int main(){
double s,x,a,b;
cin>>s>>x;
a=x*2;
b=7;
for(int i=1;i<=s;i++)
{
b=b*0.98;
}
if(b<a)
{
cout<<"y";
}
else
{
cout<<"n";
}
return 0;
}
```
by Ethan_and_Cindy @ 2023-03-22 18:49:07
不用那么麻烦
by Ethan_and_Cindy @ 2023-03-22 18:49:47