#include<stdio.h>
#include<stdlib.h>
int main(){
int x,num;
FILE *a;

a=fopen("MeuPrimeiroArquivo.arq","rb");

if( a == NULL){
    printf("ERRO!\n\n");
    }
else{
        while(!feof(a)){
            fread(&x,sizeof(int),1,a);
            printf("%d ", x);
            }

    }

fclose(a);

a=fopen("MeuPrimeiroArquivo.arq", "rb");

while(!feof(a)){

    fread(&num,sizeof(int),1,a);
    num=2*num;
    printf("%d ", num);

}

fclose(a);

return 0;

}