#include <iostream>
#include <vector>
#include <cstring>
using namespace std;
#define MAX 1000010
vector <char> c[MAX];
char x[MAX];
int main()
{
    int n, i, j;
    n = 0;
    while(cin)
    {
        cin >> x;
        c[n].resize(strlen(x));
        for(i = 0 ; x[i] ; i++)
        {
            c[n][i] = x[i];
           // cout << x[i];
        }
        n++;
    }
    n--;
    for(i = 0 ; i < n ; i++)
    {
        for(j = 0 ; j < c[i].size() ; j++)
        {
            cout << c[i][j] << "";
        }
    }
}