package yukicoder; import java.math.BigInteger; import java.util.Scanner; public class Main{ public static void main(String[] args)throws Exception{ new Main().solve(); } void solve(){ Scanner sc=new Scanner(System.in); int n=sc.nextInt(); for(int i=0;i=1){ if(n%2==0){ A=A.multiply(A); n/=2; }else if(n%2==1){ ans=ans.multiply(A); n--; } } return ans; } }