https://www.luogu.com.cn/record/92554827

#include<iostream>
using namespace std;
int a;
int main()
{
	while(cin >> a == 1)
	{
	    if(a != 45)
	    {
	        cout << a;
	    }
	    else
	    {
	        return 0;
	    }
	}
	return 0;
}