#include <stdio.h>
 
int main(void) {
	int n;
	scanf("%d",&n);
	for(int i=0;i<n;i++){
		int x,y;
		scanf("%d%d",&x,&y);
		int biggest,second;
		biggest=second=-1;     //先假設都-1
		if(x>=biggest){ second=biggest; biggest=x;}      //替換最大與第二大的數值
		else if(x<biggest&&x>=second) second=x;
		while(!(x==1||x>y)){
			x=(x%2==0)? (x/2):(3*x+1);
			if(x>=biggest){ second=biggest; biggest=x;}
			else if(x<biggest&&x>=second) second=x;
		}
		printf("%d\n",second);
	}
	return 0;
}
 

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MQoxNgoxMDAwMDAwMA==

1
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