Java 11
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scn = new Scanner(System.in);
int a = scn.nextInt();
int b = scn.nextInt();
int c = scn.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);
}
}