#include<iostream>
#include<cstring>
using namespace std;
char s[101],*p;
int main()
{
    int;
    cin.getline(s,100);
    p=strtok(s," ");
    while(p!=0)
    {
        if (strstr(p,"DO") || strstr(p,"RE") || strstr(p,"MI") ||
    }


}