#include<stdio.h>
void swap(int*a,int*b){
    int temp=*a;
    *a=*b;
    *b=temp;
}
int main(){
    int x,y;
    scanf("%d",&x);
    scanf("%d",&y);
    swap(&x,&y);
    printf("%d\n%d",x.y);
    return 0;
}