#include <iostream>
using namespace std;
int main() {
int a;
cout<<"Введите натуральное число";
cin>>a;
cout<<a;
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKaW50IG1haW4oKSB7CmludCBhOwpjb3V0PDwi0JLQstC10LTQuNGC0LUg0L3QsNGC0YPRgNCw0LvRjNC90L7QtSDRh9C40YHQu9C+IjsKY2luPj5hOwpjb3V0PDxhOwoKCglyZXR1cm4gMDsKfQ==