#include <iostream>
#include <vector>

using namespace std;

int even(int x){
	return x/2;
}

int odd(int x){
	return 3*x + 1;
}

int calc(int x){
	if (x % 2 == 0)
		return even(x);
	else
		return odd(x);
}
/*
void func(int a, int b){

	int c, d, i = 0, j = 0;
	c = a;
	d = b;
	while (c != 1){
	d = b;
		while(d != 1){
			if (d == c) {
				cout<<a<<" needs "<<i<<" steps, "<<b<<" needs "<<j<<" steps, they meet at "<<d<<endl;
				return;
			}
			d = calc(d);
			j++;
		}
		c = calc(c);
		i++;
		j = 0;	
	}

	if ( a == 1 && b == 1){
		cout<<a<<" needs "<<i<<" steps, "<<b<<" needs "<<j<<" steps, they meet at 1"<<endl;
	}
	else if ( c == 1 ){
		d = b;
		while(d != 1){
			d = calc(d);
			j++;
		}
		cout<<a<<" needs "<<i<<" steps, "<<b<<" needs "<<j<<" steps, they meet at "<<d<<endl;
	} else if ( b == 1){
		while(c != 1){
			c = calc(c);
			i++;
		}
		cout<<a<<" needs "<<i<<" steps, "<<b<<" needs "<<j<<" steps, they meet at "<<d<<endl;
	}
	
	return;
		
} 

void func2(int a, int b){

	vector<int> one;
	int i = 0, j = 0;	

	int c = a;
	int d = b;

	while(c != 1){
		one.push_back(c);
		c = calc(c);
		i++;
	}

	if (c == 1){
		one.push_back(1);
	}

	while(1){
		for (int k = 0; k < (int)one.size(); k++){
			if (d == one[k]) {
				cout<<a<<" needs "<<k<<" steps, "<<b<<" needs "<<j<<" steps, they meet at "<<d<<endl;
				return;
			} 		
		}
		d = calc(d);
		j++;
	}

	return;
}
*/


void func3(int a, int b){

 	vector<int> one, two;
	int i = 0, j = 0, cf=0, df=0;	

	int c = a;
	int d = b;

	while(1){
	
				
		if (cf != 1) one.push_back(c);
		if (c == 1) cf = 1;
		for(int k = 0; k < (int)two.size(); k++){
			if (c == two[k]){
				cout<<a<<" needs "<<j<<" steps, "<<b<<" needs "<<k<<" steps, they meet at "<<c<<endl;
				return;
			}
		}		
		if (cf != 1) c = calc(c);

			if (df != 1) two.push_back(d);
			if (d == 1) df = 1;
			for(int k = 0; k < (int)one.size(); k++){
				if (d == one[k]){
					cout<<a<<" needs "<<k<<" steps, "<<b<<" needs "<<i<<" steps, they meet at "<<d<<endl;
					return;
				}
			}
		if (df != 1) d = calc(d);
		j ++;
		i ++;
	}

}

int main(void){

	int a, b;
	do {
		cin >> a;
		cin >> b;
		if ( a == 0 && b == 0)
			return 0;
		func3(a, b);

	} while(1);
		
	return 0;

}