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Main1463.java
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Main1463.java
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import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.StringTokenizer;
public class Main1463 {
public static void main(String[] args) throws NumberFormatException, IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int X = Integer.parseInt(br.readLine());
int[] dp = new int[X+1];
Arrays.fill(dp, X);
dp[1] = 0;
for(int i=2;i<=X;i++) {
if(dp[i-1]+1<dp[i]) {
dp[i] = dp[i-1]+1;
}
if(i%2==0 && dp[i/2]+1<dp[i] ) {
dp[i] = dp[i/2]+1;
}
if(i%3==0 && dp[i/3]+1<dp[i] ) {
dp[i] = dp[i/3]+1;
}
}
System.out.println(dp[X]);
}
}