İF-ELSE İLE HESAP MAKİNESİ

#include <iostream>
using namespace std;
int main()
{
    int sayi1,sayi2;
    char c;
    cout<<"SAYI1 : ";
    cin>>sayi1;
    cout<<"SAYI2 : ";
    cin>>sayi2;
    cout<<"Yapmak istediginiz islem : ";
    cin>>c;
    if(c=='+')
    cout<<sayi1+sayi2<<endl;
    else if(c=='-')
    cout<<sayi1-sayi2<<endl;
    else if(c=='*')
    cout<<sayi1*sayi2<<endl;
    else if(c=='%')
    cout<<sayi1/sayi2<<endl;
    else
        cout<<"Hatali islem girdiniz ..."<<endl;
}