/*#include <stdio.h>
#include <stdlib.h>
int main()
{
printf("Hello world!\n");
return 0;
}
#include<stdio.h>
int main()
{
int j, a, v=0, i;
scanf("%d %d",&j, &a);
for(i=j;i<=a;i++)
{
if(i% 2==0)
{
v = v-i;
}
else
{
v = v+i;
}
}
printf("%d ", v);
}
*/
#include<stdio.h>
int main()
{
int a, b, c=0, i;
scanf("%d %d",&a, &b);
for(i=a;i<=b;i++)
{
if(i% 2==0)
{
printf("-%d",i);
c = c-i;
}
else
{
printf("+%d",i);
c = c+i;
}
}
printf("=%d",c);
return 0;
}