#include <stdio.h>
??? int tine(n)
??? {
??????? int money;
??????????? if(n>23&&n<5)
??????????? money*=1.2;
??????????? else
??????????? money*=1;
??? return money;
??? }
??? int fair(a)
??? {
??????? int? money;
??????? if(a<=3)
??????? money==13;
??????? else
??????? money+(a-3)*2.3;
??????? return money;
??? }
??? int main
??? {
??? fair();
??? return 0;
}