#include <stdio.h>
int main(void) {
char *str = "1234ABC890";
unsigned int n;
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CgljaGFyICpzdHIgPSAiMTIzNEFCQzg5MCI7Cgl1bnNpZ25lZCBpbnQgbjsKCXNzY2FuZihzdHIrMywgIiU0eCIsICZuKTsKCXByaW50ZigiJXhcbiIsIG4pOwoJcmV0dXJuIDA7Cn0K