i:.1:"i/11"
c:(!0)!0
f:{$[~x;1;~^v:c k:75/y,x;v;c[k]:+/f[x-1]'$[~y;1;2!#s:$y;2024*y;`I$(0,-2!#s)_s]]}
+/f[25]'i
+/f[75]'i