public class ThreeNPlus1 {
	public static int getCycle (int n){
		int count =1;
		while(n != 1){
			if( n % 2 ==0) n/=2;
			else n = n*3+1;
			count++;
		}
		return count;
	}
	public static int getMaxCycle(int i, int j){
		int maxCycle= -1;
		int maxNum = i;
		for(int k = i;k<=j;k++){
			int cycle = getCycle(k);
			if( cycle > maxCycle){
				maxCycle = cycle;
				maxNum = k;
			}
		}
		return maxCycle;
	}
	public static void main(String[] args){
		
		System.out.println("1 10 " + getMaxCycle(1,10));
		System.out.println("100 200 " + getMaxCycle(100,200));		
		System.out.println("201 210 " + getMaxCycle(201,210));		
		System.out.println("900 1000 " + getMaxCycle(900,1000));		
	}
}