#include
#include
void reverse(int i){
char c;
if(i>0)
{c=getch();reverse(i-1);printf(" %c ",c);}
}
main(){
reverse(5);
}
#include
int i;
int main()
{
char c = getchar();
if(i++ < 5)
main(), printf("%c", c);
else
return 0;
}
#include
#include
main()
{reverse(5);
}
void reverse(int i)
{char c;
if(i>1){c=getch(); reverse(i-1);}
else printf("%c",c);
}