#include<bits/stdc++.h> using namespace std; string a; int main(){ cin >> a; int sum = 0; char j; for(int i = 0;i < a.size();i++){ if(a[i] >= 'a' && a[i] <= 'z'){ a[i] = (char)a[i]+32; } if(j != a[i]){ cout << "(" << j << "," << sum << ")"; sum = 0; } j = a[i]; sum++; } return 0; }