#include <stdio.h>
int main(void) {
char ch=-1;
printf("%d %u %d", (int)ch
, (unsigned)ch
, (unsigned char)ch
); return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CgljaGFyIGNoPS0xOwogICAgcHJpbnRmKCIlZCAldSAlZCIsIChpbnQpY2gsICh1bnNpZ25lZCljaCwgKHVuc2lnbmVkIGNoYXIpY2gpOwoJcmV0dXJuIDA7Cn0K