#include <iostream>
#include <string>
using namespace std;
int main()
{
int i=0,l=0,d=0;
string c;
getline(cin,c,'?');
for(int k=0;k<c.size();k++){
if((('A'<=c[k])&&(c[k]<='Z'))||(('a'<=c[k])&&(c[k]<='z')))l++;
if(('0'<=c[k])&&(c[k]<='9'))d++;
i++;
}
cout<<"Letters="<<l<<endl;
cout<<"Digits="<<d<<endl;
cout<<"Others="<<i-l-d;
return 0;
}