#include
int f(int a,int b)
{
int c,i,j,k,l;
i=a/10;
j=a%10;
k=b/10;
l=b%10;
c=10*i+j*1000+k+l*100;
return c;
}
int main()
{
int a,b,c;
scanf("%d%d",&a,&b);
c=f(a,b);
printf("c=%d\n",c);
return 0;
}