#include <stdio.h>

int main() {
    int a,b, temp;

	scanf("a=%d,b=%d",&a,&b);
    // ½»»»aºÍbµÄÖµ
    temp = a;
    a = b;
    b = temp;

    printf("a=%d,b=%d\n", a, b);

    return 0;
}