#include <stdlib.h>
#include <stdio.h>

/*
int main(int argc,char** argv) {
	int aa;
	scanf("%d",&aa);
	printf("bingo");
	printf("%d", aa);
	return 0;
}
*/
bool isEven(int n) {
	return (n%2==0);
}

int main(int argc,char** argv) {

	

	int rada[1000000];
	int a;
	int b;
	int result;
	int steps = 0;
	int steps2 = 0;
	int kroky, kroky2 = 0;
	int next;
	bool quit = 0;

	//scanf("%d %d",&a,&b);
	//printf("%d %d\n", a,b);
	while(1){
		scanf("%d %d",&a,&b);
		if (a == 0 && b == 0) {
			return 0;
		}
		//printf("bingo\n");
		rada[0] = a;
		steps = 0;
		while(1) {
			steps++;
			if(isEven(rada[steps-1])){
				rada[steps] = rada[steps-1]/2;
			}else{
				rada[steps] = 3*rada[steps-1]+1;
			}
			//printf("%d \n",rada[steps]);
			if(rada[steps]==1) break;
		}
		//printf("nedostane\n");


		//for(int i=0;i<=steps;i++){
		//	printf("%d %d\n",i,rada[i]);
		//}

		next = b;
		steps2 = 0;
		quit = 0;
		while(1) {
			for(int i=0; i<=steps; i++){
				//printf("vysledek %d\n",rada[i]);
				if(rada[i]==next){
					kroky2 = i;
					quit = 1;
					break;
				} 
			}
			if (quit) {
				break;
			}
			steps2++;
			if(isEven(next)){
				next = next/2;
			}else{
				next = 3*next+1;
			}
			//printf("%d\n",next);
			/*for(int i=0;i<=steps;i++){
				if(rada[steps]==next){
					quit = 1;
					break;
				} 
			}*/
		}

		printf("%d needs %d steps, %d needs %d, they meet at %d\n", a,kroky2,b,steps2,next);
	}
	return 0;
}