#include <iostream>

int main() {
    std::string data;

    std::cout << "Enter string: ";
    data = "wwwwaaadexxxxxx";

    char last = NULL;
    int count = 0;
    for(int i = 0; i <= data.length(); i++) {

        if(i !=0 && last != data[i]) {
            std::cout << last << count;
            count = 0;
        }

        last = data[i];
        count++;
    }
    return 0;
}