#include <stdio.h>
int main()
{
    int a,b,c;
    scanf("%d,%d",&a,&b,c)
      c=a;
      a=b;
      b=c;
     //swapping of two numbers 
      printf("%d\t",a=b);
      printf("%d\t",b=c);
      return 0;
      
    
}