Basic calculator TLE error

#1

#include
using namespace std;
int main() {
long long int a,b;
char ch;
cin>>ch;
while(ch!=‘x’ or ch!=‘X’){
cin>>a>>b;
if (ch=’+’){
cout<<a+b;
}
else if(ch=’-’){
cout<<a-b;

	}
	else if(ch=='*')
    {
		cout<<a*b<<endl;
    }
    else if(ch=='%' && b!=0)
    {
      
        cout<<a%b<<endl;
    }
    else if(ch=='/'&& b!=0)
    {
        
        cout<<a/b<<endl;
    }
	else
         cout<<"Invalid operation. Try again."<<endl;
    cin>>ch;
}
return 0;}

//TLE error

#2

Here is your corrected code https://ide.codingblocks.com/s/346715

#3

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