n = int(input()) res = str(2**n) l=len(res) if l<=3: print(res) else: res = res[l-3:l] print(res)

n = int(input()) res = str(2**n) l=len(res) if l<=3: print(res) else: res = res[l-3:l] print(res)

#include<iostream> using namespace std; int main(){ int n,m=1; cin>>n; for(int i=0;i<n;i++){ m*=2; m%=1000; } if(n>=10){ printf("%03d",m); }else{ cout<<m; } return 0; }