Problem:
Simple Calculator

Write a program which reads two integers a, b and an operator op, and then prints the value of a op b.

The operator op is '+', '-', '*' or '/' (sum, difference, product or quotient). The division should truncate any fractional part.

Input

The input consists of multiple datasets. Each dataset is given in the following format.

a op b

The input ends with a dataset where op = '?'. Your program should not process for this dataset.

Output

For each dataset, print the value in a line.

Constraints

0 ≤ a, b ≤ 20000

No divisions by zero are given.

Sample Input 1

1 + 2
56 - 18
13 * 2
100 / 10
27 + 81
0 ? 0

Sample Output 1

3
38
26
10
108

Solution in JAVA (judge verdict: Accepted)

import java.util.Scanner;
class Main {
    public void kami() {
        		Scanner sc = new Scanner(System.in);
		int x = 0;
		int a = sc.nextInt();
		String op = sc.next();
		int b = sc.nextInt();
		
		while(!op.equals("?")){
			if(op.equals("+")){
				x = a + b;
				System.out.println(x);
			}else if(op.equals("-")){
				x = a - b;
				System.out.println(x);
			}else if(op.equals("*")){
				x = a * b;
				System.out.println(x);
			}else if(op.equals("/")){
				x = a / b;
				System.out.println(x);
			}
			a = sc.nextInt();
			op = sc.next();
			b = sc.nextInt();
		}

    }
	public static void main(String[] args) {
    new Main().kami();
	}

}