#include <stdio.h>
#include <stdlib.h>

int main(void){
    FILE *fic = fopen("reitne.txt", "r");
    char lettre[256];
    int i;

    if(fic == NULL){
        exit(1);
    }    

    while(fgets(lettre, 255, fic) != NULL){
        for(i=0;i<256;i++){
       
            if (lettre[i] == 'x' && lettre[i-1] == 0){
/*                printf("%d\n", lettre[i-1]/lettre[i+1]);*/
                printf("Bonjour");

            }else if(fgets(lettre,255,fic)){
                printf("");
               
            }
        }
        printf("%s", lettre);
    }
   
    printf("\n");
    fclose(fic);
    return 0;
}