#include <iostream>
#include <math.h>

using namespace std;
int main(){
	double n,b,a,c;
	cout<<"Podaj 2 liczby a i b\n";
	cin>>a>>b;
	c=a;
	a=b;
	b=c;
	cout<<"a = "<<a<<" b = "<<b<<"\n";
}