import java.math.BigInteger;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner cin = new Scanner(System.in);
while (cin.hasNext()) {
BigInteger a = cin.nextBigInteger();
String op = cin.next();
BigInteger b = cin.nextBigInteger();
if (op.compareTo("/") == 0) {
System.out.println(a.divide(b));
} else if (op.compareTo("%") == 0) {
System.out.println(a.mod(b));
}
}
cin.close();
}
}