//programme obscure
#include <iostream>

using namespace std;

int main() {
  int a,b,c;
  cout << "Entrez 3 nombres :" << endl;
  cin >> a >> b >> c; 

  if (a > 0) {
    if (b > 0)
      a = a + 1; 
    else if (c > 0) { 
      if (a < 4) 
        b = b + 1; 
      else if (b < 4) 
        c = c + 1; 
      else 
        a = a - 1; 
    }
    else if (c < 4) 
      b = b - 1; 
    else 
      c = c - 1;
  }
  else 
    a = 0; 

  cout << "a = " << a << " b = " << b << " c = " << c << endl;
 
  return 0; 
}