Shiva Purana
अयुतानां तथा दत्त्वा विष्णुलोके समश्नुते । अन्नं दत्त्वा तु लक्षाणां रुद्र लोके समश्नुते ३५ ।
By giving food to ten thousand persons he secures the benefits in Viṣṇuloka. By giving it to a hundred thousand persons he derives benefits in Rudraloka.
english translation
ayutAnAM tathA dattvA viSNuloke samaznute । annaM dattvA tu lakSANAM rudra loke samaznute 35 ।
hk transliteration by Sanscript