#include <stdio.h>
int main()
{
unsigned long int a, b, x=0, suma;
while((scanf("%lu %lu", &a
, &b
))!=EOF
&& x
<=100000) {
if(a<=b && a<=1000000000 && b<=1000000000){
suma=0;
for(a;a<=b;a++)
{
suma+=(a*a*a);
}
printf("%lu\n", suma
%1010101011); }
x++;
}
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbigpCnsKICAgIHVuc2lnbmVkIGxvbmcgaW50IGEsIGIsIHg9MCwgc3VtYTsKICAgIHdoaWxlKChzY2FuZigiJWx1ICVsdSIsICZhLCAmYikpIT1FT0YgJiYgeDw9MTAwMDAwKQogICAgewogICAgICAgIGlmKGE8PWIgJiYgYTw9MTAwMDAwMDAwMCAmJiBiPD0xMDAwMDAwMDAwKXsKICAgICAgICBzdW1hPTA7CiAgICAgICAgZm9yKGE7YTw9YjthKyspCiAgICAgICAgewogICAgICAgICAgICBzdW1hKz0oYSphKmEpOwogICAgICAgIH0KICAgICAgICBwcmludGYoIiVsdVxuIiwgc3VtYSUxMDEwMTAxMDExKTsKICAgICAgICB9CiAgICAgICAgeCsrOwogICAgfQoKICAgIHJldHVybiAwOwp9Cg==