#include "timecard.h"
void init(int n) {
}
std::string convert(std::string s) {
std::string ret = "";
for(auto i : s) {
if('a' <= i && i <= 'z') {
ret += i;
} else if('A' <= i && i <= 'Z') {
ret += char(i - 'A' + 97);
} else {
ret += i;
}
}
return ret;
}