2813

#include<iostream>
#include<cstring>
using namespace std;
int main()
{
    int cate=0;
    char s[256],*p;
    cin.getline(s,256);
    p=strtok(s," ");
    cate=0;
    while(p!=0)
    {
        if(strstr(p,"DO") || strstr(p,"RE") || strstr(p,"MI") || strstr(p,"FA") || strstr(p,"SOL") || strstr(p,"LA") || strstr(p,"SI"))
        {
            cate++;
            cout<<p<<endl;
        }
        p=strtok(0," ");
    }
    if(cate==0)
    {
        cout<<"nu exista";
    }
}