#include<stdio.h>
void lswap(int*a,int*b){
    int temp=*a;
    *a=*b;
    *b=temp;
}
int main()
{
    int d1,d2;
    if(scanf("%d %d",&d1,&d2)!=2){
        printf("Invalid input");
        return 0;
    }
    swap(&d1,&d2);
    printf("After swap: Distance 1 = %d meters Distance 2 = %d meters",d1,d2);
    return 0;
}