easy

#include<iostream>
#include<cstdio>
#include<string>
using namespace std;
int main()
{
    string s;
    int l = 0,d = 0,o = 0;
    getline(cin,s);
    for(int i = 0;i < s.size()-1;i++)
    {
        if(s[i] >= 'A' && s[i] <= 'z')l++;
        else if(s[i] >= '0' && s[i] <= '9')d++;
        else o++;
    }
    printf("Letters=%d\nDigits=%d\nOthers=%d",l,d,o);
    return 0;
}