#include <iostream>
using namespace std;
/*bool accept()
{
cout << "Do you want to continue? (y or n)?\n";
char x = 0;
cin >> x;
if (x == 'y') return true;
return false;
char y = 0;
}
bool accept2()
{
cout << "Do you want to continue? (y or n)?\n";
char x = 0;
cin >> x;
switch(x) {
case 'y':
return true;
case 'n':
return false;
default:
cout << "I take that as a no";
return false;
}
}
bool accept3() {
int tries = 1;
while(tries < 4){
cout << "Do you want to continue? (y or n)?";
char x = 0;
cin >> x;
switch(x) {
case 'y':
return true;
case 'n':
return false;
default:
cout << "I take that as a no";
tries = tries+1;
return false;
}
}
cout << "I take that as a no";
return false;
}
int func()
{
int v1[10];
int v2[10];
for (int i=0; i<10; ++i) v1[i]=v2[i];
}*/
namespace stack {
void push(char);
char pop();
}
int main()
{
stack::push('c');
if(stack::pop() != 'c') error("imposiple");
}