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- import java.util.*;
- public class uva11150 {
- public static void main(String [] args) {
- Scanner scn = new Scanner(System.in);
- while(scn.hasNextInt()) {
- int n = scn.nextInt();
- int t = n;
- int a = 0;
- if(n%3!=0) {
- n = n+1;
- while(n >= 3) {
- a = n%3;
- n = (n-a)/3;
- t += n;
- n += a;
- }
- }
- else if(n%3==0 && n%2==0) {
- while(n >= 3) {
- a = n%3;
- n = (n-a)/3;
- t += n;
- n += a;
- }
- t += 1;
- }
- else {
- while(n >= 3) {
- a = n%3;
- n = (n-a)/3;
- t += n;
- n += a;
- }
- }
- System.out.println(t);
- }
- }
- }
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