import acm.program.ConsoleProgram;


public class main extends ConsoleProgram {

    public void run(){
        int tall1 = readInt("Skriv inn det første tallet du vil regne med: ");
        int tall2 = readInt("Skriv inn det andre tallet du vil regne med: ");
        String oper = readLine("Skriv inn operatoren du vil de to tallene skal regne med(+,-,*,/): ");
        println(performOperation(tall1,tall2,oper));
    }
    public int performOperation(int int1,int int2,String op){
        int sum;
        if(op.equals("+")){
            sum = int1+int2;
        }
        else if(op.equals("-")){
            sum = int1-int2;
        }
        else if(op.equals("*")){
            sum = int1*int2;
        }
        else if(op.equals("/")){
            sum = int1/int2;
        }
        else{
            return 0;
        }
        return sum;
        }
    }