#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s,s1;
	int n;
	getline(cin,s);
	for(int i = 0; i < s.size(); i++)
	{
	    if(s[i] == ' ')
		{
		    n++;
		}
		else
		{
			s1 += s[i];
		}
	}
	for(int i = 1; i <= n; i++)
	{
		cout << ' ';
	}
	cout << s1;
	return 0;
} 
/**************************************************************
	Problem: 1100
	User: yangwanning
	Language: C++
	Result: Output Limit Exceed
****************************************************************/