import java.io.*;
class Main{
	public static void main (String[] args) throws IOException{
			BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		while(true){
			String line = br.readLine();
			String[] in = line.split(" ");
			if(in[1].equals("+"))
				System.out.println(Integer.parseInt(in[0]) + Integer.parseInt(in[2]));
			else if (in[1].equals("-"))
				System.out.println(Integer.parseInt(in[0]) - Integer.parseInt(in[2]));
			else if (in[1].equals("*"))
				System.out.println(Integer.parseInt(in[0]) * Integer.parseInt(in[2]));
			else if (in[1].equals("/"))
				System.out.println(Integer.parseInt(in[0]) / Integer.parseInt(in[2]));
			else break;
		}
	}
}
/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