import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {

	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String tmp[], op;
		long a, b;
		while (true) {
			tmp = br.readLine().split(" ");
			a = Long.parseLong(tmp[0]);
			b = Long.parseLong(tmp[2]);
			op = tmp[1];
			tmp = null;
			
			if(op.equals("?"))break;
			else if(op.equals("+"))
				System.out.println(a + b);
			else if(op.equals("-"))
				System.out.println(a - b);
			else if(op.equals("*"))
				System.out.println(a * b);
			else if(op.equals("/"))
				System.out.println(a / b);
		}
	}

}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz