/*#include <stdio.h>
#include <stdlib.h>
int main()
{
printf("Hello world!\n");
return 0;
}
*/
/*#include <stdio.h>
int main()
{
int a;
scanf("%d",&a);
printf("%d",-a);
}*/
/*#include <stdio.h>
int main()
{
int b,a;
scanf("%b",&a);
printf("%b",a);
}*/
/*#include <stdio.h>
int main()
{
char a;
scanf ("%c",&a);
printf("%c",a+1);
}*/
/*#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a%b);
}*/
/*#include <stdio.h>
int main()
{
long long int a;
scanf("%lld",&a);
printf("%lld",a+1);
}*/
/*#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("%.2lf\n",(double)a/b);
}*/
/*#include <stdio.h>
int main()
{
int a,b,c;
scanf("%d %d %d",&a,&b,&c);
printf("%d\n",a+b+c);
printf("%.1lf\n",(double)(a+b+c)/3);
}*/
/*#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a>b);
}*/
/*#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a==b);
}*/
/*#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a<=b);
}*/
/*#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a!=b);
}*/