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#include <iostream>
using namespace std;
//функция для ввода числа
int getNumber()
{
cout<<"Enter integred number \n";
int x;
cin>>x;
return x;
}
// функция удвоения числа
int doubleNumber(int x)
{
return x * 2;
}
int main()
{
int x = getNumber();
x = doubleNumber(x);
cout<<"Double number is "<<x;
return 0;
}
