include

include

using namespace std;
int main()
{
char s;
int n=0,l=0,o=0;
while(s=getchar(),s!='?')
{
if ( isalpha(s) )
l++ ;
else
if( isdigit(s))
n++;
else o++;
}
cout<<"Letters="<<l<<endl;
cout<<"Digits="<<n<<endl;
cout<<"Others="<<o<<endl;
return 0;
}