#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
int main()
{
	int a = 0; int b = 0; int t = 0;
	scanf("a=%d,b=%d", &a, &b);
	t = a;
	a = b;
	b = t;


	printf("a=%d,b=%d", a, b);
	return 0;
}