#include <stdio.h>
int main(void) {
int i,cost;
int data[10];
data[0]=1;
for(i=0;i<10;i++){
data[i]=(data[i-1])*2;
}
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CglpbnQgaSxjb3N0OwoJaW50IGRhdGFbMTBdOwoJZGF0YVswXT0xOwoJCglmb3IoaT0wO2k8MTA7aSsrKXsKCQlkYXRhW2ldPShkYXRhW2ktMV0pKjI7CgkJcHJpbnRmKCIlZOOBryVkXG4iLGksZGF0YVtpXSk7Cgl9CgkKfQ==