//simulation d'une calculatrice
#include <iostream>

using namespace std;

int main() {
  int op1, op2;
  cout << "Entrer les deux operandes : " << endl;
  cin >> op1;
  cin >> op2;
  
  char opera;
  cout << "Chosir l'operation: +, - , *, /, ou %: ";     
  cin >> opera;
  
  switch (opera) {
  case ('+'):
    cout << op1 << opera << op2 << " = " << op1 + op2 << endl; break;
  case ('-'):
    cout << op1 << opera << op2 << " = " << op1 - op2 << endl; break;
    //ajouter ici les autres operations        
  default: cout << "l'operation " << opera << " n'est pas definie" << endl; break;
  }

  return 0;
}