/*#include <stdio.h>
int main()
{
int yyyy,mm,dd;
scanf("%04d.%02d.%02d", &yyyy,&mm,&dd);
printf("%02d-%02d-%04d",dd,mm,yyyy);
return 0;
}
*/
/*#include <stdio.h>
int main()
{
int a;
scanf("%d",&a);
printf("%d",!a);
return 0;
}
*/
/*#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a&&b);
return 0;
}
*/
/*#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a||b);
return 0;
}
*/
#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d", !a&&!b||(a&&b));
return 0;
}