menukar 2 variable (1)

#include <iostream>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */
using namespace std;
int main() {
int a=721; int b=463; int c;
cout<<"Dibawah ini merupakan program pertukaran nilai dua variabel\n";
cout<<"Nilai vairabel a = "<<a <<"    "<<"Nilai variabel b =  "<<b<<endl<<endl;
cout<<"Pertukaran nilai variabel\n";
c=a;
cout<<"Nilai variabel a= "<<b <<"     "<<"Nilai variabel b= "<< c <<endl<<endl;

return 0;
}