#include <iostream>
int main()
{
int number = 175718;
int tmp = 0;
while(number){
int digit = number % 10;
switch(digit)
{
case 1:
break;
case 7:
tmp *= 10;
tmp += 8 ;
break;
default:
tmp *= 10;
tmp += digit;
break;
}
number /= 10;
}
while(tmp){
int digit = tmp % 10;
number *= 10;
number += digit;
tmp /= 10;
}
std::cout << "Result: " << number << std::endl;
return 0;
}