#include <stdio.h>
#include <math.h>
int main(void) {
int i;
for(i
=1;20*log(i
/1)<86;i
++); return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CiNpbmNsdWRlIDxtYXRoLmg+CgppbnQgbWFpbih2b2lkKSB7CglpbnQgaTsKCWZvcihpPTE7MjAqbG9nKGkvMSk8ODY7aSsrKTsKCXByaW50ZigiJWQgJWZcbiIsaSwyMCpsb2coaS8xKSk7CglyZXR1cm4gMDsKfQ==