2813

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

char s[300], t[300], *p;
int main()
{
    int k = 0;
    cin.getline(s, 100);
    p = strtok(s," ");
    while(p)
    {
       if(strchr("DO RE MI FA SOL LA SI", p)!=0)
            t[k++]=p;
            p = strtok(NULL, " ");
    }
    t[k++]=NULL;
    cout << t;
    return 0;
}