#include<stdio.h>
int main(){
    int x,y,temp;
    printf(" ");
    scanf("%d",&x);
    printf(" ")
    scanf("%d",&y);
    if (x<-100 || x>100 || y<-100 || y>100){
        printf("Invalid Input\n");
        return 1;
         
    }
    temp =x;
    x=y;
    y=temp;
    printf("%d\n", x);
    printf("%d\n", y);
    return 0;
}