read n

ans=1
for ((i=0; i < 9; i++)); do
    ans=($(echo "${ans}*(${n}+9-${i})" | bc))
done

for ((i=1; i < 10; i++)); do
    ans=($(echo "${ans}/(${i})" | bc))
done

ans=($(echo "${ans}%1000000007" | bc))

echo $ans