#include <stdio.h>

int
main()
{
    printf("Ten: %d\n", 10);
    printf("Ten and 5 tenths: %f,\n %e, %g\n",
	   10.5, 10.5, 10.5);
    printf("Ten: %s\n", "ten");
    printf("Oops! %d\n", 10.5);
    return 0;
}