#include <stdio.h>
int main(void){
char s[]="20151018221710";
double a;
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CmludCBtYWluKHZvaWQpewogIGNoYXIgc1tdPSIyMDE1MTAxODIyMTcxMCI7CiAgZG91YmxlIGE7CiAgc3NjYW5mKHMsIiVsZiIsJmEpOwogIHByaW50ZigiJWYiLGEpOwpyZXR1cm4gMDsKfQ==