#include<bits/stdc++.h>
using namespace std;
int main(){
	string s,s1;
	getline(cin,s);
	int c=0;
	for(int i=0;i<s.size();i++){
		if(s[i]==' ')c++;
		//else s1+=s[i];
	}
	for(int i=1;i<=c;i++) cout<<' ';
	//cout<<s1;
	for(int i=0;i<s.size();i++){
		if(s[i]!=' ')cout<<s[i];
	}
	
	
	
    return 0;	
}
/**************************************************************
	Problem: 1102
	User: chenlingxuan
	Language: C++
	Result: Accepted
	Time:22 ms
	Memory:2076 kb
****************************************************************/