#include<iostream>
#include<cstring>
#include<fstream>
using namespace std;
int main()
{
    char s[256], cuvinte [100][21], *p;
    int n,i,j;
    ifstream in("inlocuirecuvant.in");
    ofstream out("inlocuirecuvant.out");
    n=0;
    in.getline(s,100);
    p=strtok(s," ");
    while(p)
    {
        n++;
        strcpy(cuvinte[n],p);
        p=strtok(NULL," ")
    }
    for(i=0;i<n;i++)
        for(j=i+1;j<=n;j++)
             if(strcmp(cuvinte[i],cuvinte[j])>0)
             {
                 strcpy(s,cuvinte[i]);
                 strcpy(cuvinte[i],cuvinte[j]);
                 strcpy(cuvinte[j],s);
             }
    }
    for(i=1;i<=n;i++)
        out<<cuvinte[i]<<endl;
}