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