#include<stdio.h>
int main()
    int x, y, temp;
    printf("");
    scanf("%d",&x);
    printf(" ");
    scanf("%d", &x);
    if (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;
}