#include <stdio.h>
unsigned int max_per = 0, min_per =
(unsigned int)((unsigned long long)(1<<32)-(unsigned long long)1);
int main()
{
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+Cgp1bnNpZ25lZCBpbnQgbWF4X3BlciA9IDAsIG1pbl9wZXIgPQogICAgICAgICAgKHVuc2lnbmVkIGludCkoKHVuc2lnbmVkIGxvbmcgbG9uZykoMTw8MzIpLSh1bnNpZ25lZCBsb25nIGxvbmcpMSk7CgppbnQgbWFpbigpCnsKCXByaW50ZigiJXhcbiIsbWluX3Blcik7CglyZXR1cm4gMDsKfQ==