https://www.acmicpc.net/problem/10430
import java.util.Scanner;
class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int a = sc.nextInt();
int b = sc.nextInt();
int c = sc.nextInt();
System.out.println((a + b) % c);
System.out.println(((a % c) + (b % c)) % c);
System.out.println((a * b) % c);
System.out.println(((a % c) * (b % c)) % c);
sc.close();
}
}