#include?<iostream>
using?namespace?std;

int?main(){
	int?a,?b;
	cin?>>?a?>>?b;
	for(int?i?=?a;?i?<=?b;?++i){
		cout?<<?i?<<?"?";?
	}?
	cout?<<?endl;
	return?0;
}

1 反對 回復(fù) 2016-10-22