#include <stdio.h>
int count(int n)
{
if(n==1)
return 4;
int b=1,s=1,pb,ps;
for(int i=2;i<=n;i++)
{
pb=b;
ps=s;
s=pb+ps;
b=ps;
}
int res=b+s;
return (res*res);
}
int main()
{
int n=6;
int c=count(n);
return 0;
}
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