#include <iostream>
#include <string>
using namespace std;
int main()
{
string value;
cin >> value;
int length = value.length();
for (int i = 0; i < length; i++)
{
while (!isdigit(value[i]))
{
cout << "zadan nesmysl, zadejte znovu: " << endl;
cin >> value;
length = value.length();
i = 0;
}
}
int intval = stoi(value);
cout << "Int hodnota je: " << intval << endl;
return 0;
}
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