#include<stdio.h>
int main()
{
    int num1=12,num2=34;
    
    num1 = (num1+num2)-(num2 = num1);
    printf("%d %d",num1,num2);
    if(!scanf("%d" ,&num)) {
    printf("Invalid input");
    return 0;
}
    return 0;
}