#include <iostream>
#include <fstream>
using namespace std;

int main()
{
    int v[100];
    float x;
    ifstream f("bac.in");
    f>>x;

    for(int i=1; i<=99; i++)
        v[i]=0;

    while(f>>x)
        v[int(x)]=1;

    for(int i=1; i<=99; i++)
        if(v[i]==1)
        cout<<i<<" ";
}