#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ char a; cin>>a; if(a<='Z'&&a>='A'){ cout<<"Upper Letter"<<endl; } else if(a>='a'&&a<='z'){ cout<<"lower letter"<<endl; } else{ if(a>='0'&&a<'9'){ cout<<"Digital"<<endl; } else{ cout<<"other"<<endl; } } return 0; }