#include <iostream>
using namespace std;
#include <vector>
#include <algorithm>
int main()
{
	vector<int> v1;
	
	int myint;
	
	for(int i=0; i<5; i++){
	   cin >> myint;
	   v1.push_back (myint);
	};
	
	
	cout<<"Вектор\n";
	for(vector<int>::iterator it=v1.begin(); it != v1.end(); ++it){
	cout<<*it<<" ";
	}
	
	cout<<"\nВектор\n";
	for(int i=0; i<v1.size(); ++i){
	cout<<v1[i]<<" ";
	}
	cout<<"\n";
	
	v1.pop_back();
	for(int i=0; i<v1.size(); ++i){
	cout<<v1[i]<<" ";
	}
	cout<<"\n";
	
	cout<<"Перший "<<v1.front()<<"\n";
	cout<<"Останній "<<v1.back()<<"\n";
	
	sort(v1.begin(),v1.end());
	for(auto val:v1){
		cout<<val<<" ";
	}
	cout<<endl<<"Розмір "<<v1.size()<<endl;
	
	auto it = find(v1.begin(),v1.end(),1);
	
	cout<<*it<<endl;
	
	v1.clear();
	
	for(int i=0; i<v1.size(); ++i){
	cout<<v1[i]<<",";
	}
	
	return 0;
}