hhhhhh,蒙对了！！！！！！！！！！

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int Letters=0,Digits=0,Others=0;
	char ch[10001];
	fgets(ch,10001,stdin);
	int len=strlen(ch);
	
	for(int i=0;i<=len-1;i++)
	{
		if(ch[i]>='a' and ch[i]<='z')
		{
			Letters++;
		}
		if(ch[i]>='0' and ch[i]<='9')
		{
			Digits++;
		}
		
	}
	Others=len-Letters-Digits-2;
	cout<<"Letters"<<"="<<Letters<<endl<<"Digits"<<"="<<Digits<<endl<<"Others"<<"="<<Others;
	
}