#include "stdio.h"

int main(){
  int n0;
  int i;
  int max = 1;

  scanf("%d", &n0);

  for(i=1;i > 0;i++){
    if(n0 > max){
      max = n0;
    }

    if(n0%2 == 0){
      n0 /= 2;
    }else{
      n0 = 3 * n0 + 1;
    }

    if(n0 == 1){
      printf("%d\n", i);
      break;
    }
  }

  printf("%d\n", max);

  return 0;
}