/*#int main()
{
printf("Hello world!\n");
return 0;
}*/
/*#include<stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d\n",a+b);
printf("%d\n",a-b);
printf("%d\n",a*b);
printf("%d\n",a/b);
printf("%d\n",a%b);
printf("%.2f\n",(float)a/(float)b);
return 0;
}*/
/*#include<stdio.h>
int main(){
int a,b,c;
scanf("%d %d %d",&a,&b,&c);
printf("%d\n",a+b+c);
printf("%.1f\n",((float)a+b+c)/3.0);
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;
}*/
/*#include<stdio.h>
int main(){
int a,b;
scanf("%d %d",&a,&b);
printf("%d",!(a||b));
return 0;
}*/