// CPP program to illustrate
// Implementation of front() function
#include <iostream>
#include <vector>
using namespace std;
int main()
{
vector<int> myvector;
myvector.push_back(3);
myvector.push_back(4);
myvector.push_back(1);
myvector.push_back(7);
myvector.push_back(3);
// Vector becomes 3, 4, 1, 7, 3
cout << myvector.front();
return 0;
}