#include <stdio.h>
int main(void) {
// your code goes here
int n;
if(n>1 && (n%2!=0)){
for(int i=0;i<1;i++){
for(int j=0;j<=n;j++){
}
}
for(int i=0;i<n;i++){
for(int j=0;j<n;j++){
if(j==n/2|| j==(n/2+1)){
}
else{
}
}
}
}
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CgkvLyB5b3VyIGNvZGUgZ29lcyBoZXJlCglpbnQgbjsKCXNjYW5mKCIlZCIsJm4pOwoJaWYobj4xICYmIChuJTIhPTApKXsKCQlmb3IoaW50IGk9MDtpPDE7aSsrKXsKCQkJCgkJCQoJCQkKCQkJZm9yKGludCBqPTA7ajw9bjtqKyspewoJCQkJcHJpbnRmKCIqIik7CgkJCX0KCSAgICAgICAgcHJpbnRmKCJcbiIpOwoJCQkKCQl9CgkJZm9yKGludCBpPTA7aTxuO2krKyl7CgkJCWZvcihpbnQgaj0wO2o8bjtqKyspewoJCQkJaWYoaj09bi8yfHwgaj09KG4vMisxKSl7CgkJCQlwcmludGYoImUiKTsKCQkJCX0KCQkJCWVsc2V7CgkJCQkJcHJpbnRmKCIgIik7CgkJCQl9CgkJCX0KCQkJcHJpbnRmKCJcbiIpOwoJCX0KCQkKCX0KCXJldHVybiAwOwp9Cg==