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