# include <stdio.h>

/** briskei oles tis efmaniseis tou value ston pinaka x 
 *  epistrefei kai poses fores to brike ***/
int findAll(int x[],int size,int value,int result[])
{
	int i;
	int index=0;
	for(i=0;i<size;i++)
	{
		if(x[i]==value) 
		{
			result[index] = i;
			index++;
		}
	}
	return index;
}

int main()
{
  int x[10]={1,2,3,5,5,6,5,2,9,2};
  int result[10];
  int i;
  int k;
  for(i=0;i<10;i++) result[i]=-1;
  
  k=findAll(x,10,51,result);
  for(i=0;i<k;i++)
    printf("%d ",result[i]);
  return 0;
}