View Code of Problem 3924

#include<iostream>
using namespace std;

int main()
{
	string s,s1;
	getline(cin,s);
	for(int i = 0;i < s.size();i ++)
	{
		s1 += s[i];
		int j = i;
		while(j < s.size() && s[j] == s[i]) j ++;
		i = j - 1;
	}
	cout << s1;
	return 0;
}