Untitled

#include <iostream>
using namespace std;

int main() {
    int A, B, i;
    int pervayacifra;
    int vtorayacifra;
    cin >> A >> B;
    int count = 0;
    for (i = A; i <= B; i++) 
    {
        pervayacifra = i / 10;
        vtorayacifra = i % 10;

        if (pervayacifra == vtorayacifra)
        {
            count++;
        }
    }

    cout << count << endl;

    return 0;
}