#include <stdlib.h>
#include <stdio.h>
double converse(double europe){
  return europe*6.5;
}
int main(int argc, char *argv[]){
  double m=0.0;
  int b=0;
  printf("argent donne");
  scanf("%lf", &m);
  printf("converseion %lf", converse(m));
  printf("encore? 1 oui 0 non");
  scanf("%d", &b);
  if (b==0){
    return 0;
    }
 else return;
}