#include <iostream>
using namespace std;

int main() {
    int a, b, totalPrimos = 0;
    cout << "Inicio: "; 
    cin >> a;

    cout << "Fin: "; 
    cin >> b;

    for(int i = a; i <= b; i++) {
        if(i < 2) continue;
        bool esPrimo = true;
        for(int j = 2; j * j <= i; j++) {
            if(i % j == 0) {
                esPrimo = false;
                break;
            }
        }
        if(esPrimo) {
            cout << i << " ";
            totalPrimos++;
        }
    }
    
    cout << "\nTotal de primos: " << totalPrimos << "\n";
    return 0;
}

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