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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("patrate2.in");
ofstream g("patrate2.out");
int rez[10000],n;
void inmult_rez_cu_nr(int nr){
int t=0;
for(int i=1;i<=rez[0];i++){
rez[i]=rez[i]*nr+t;
t=rez[i]/10;
rez[i]%=10;
}
while(t){
rez[++rez[0]]=t%10;
t/=10;
}
}
int main(){
rez[0]=rez[1]=1;
f>>n;
for(int i=1;i<=n*n;i++){
inmult_rez_cu_nr(2);
}
for(int i=1;i<=n;i++){
inmult_rez_cu_nr(i);
}
for(int i=rez[0];i>=1;i--){
g<<rez[i];
}
f.close();
g.close();
}