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Additional information: condensed financial statements of the Company (Condensed statements of operations and comprehensive income) (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 CNY (¥) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 CNY (¥) | Dec. 31, 2014 CNY (¥)
Condensed statements of operations [Line Items] |  |  |  |
Interest expense | ¥ (81,085) | $ (11,679) | ¥ (97,125) | ¥ (56,607)
Income before income tax expenses | 1,783,811 | 256,923 | 1,162,512 | 1,214,480
Net income | 1,511,576 | 217,713 | 998,305 | 1,064,472
Other comprehensive income/(loss) : |  |  |  |
Unrealized gain of available-for-sale securities | 134,768 | 19,411 | 0 | 0
Foreign currency translation adjustments, net of nil tax | (5,317) | (766) | 4,414 | 3,638
Comprehensive income attributable to YY Inc. | 1,653,369 | 238,136 | 1,037,657 | 1,068,110
Parent [Member] |  |  |  |
Condensed statements of operations [Line Items] |  |  |  |
Share of profit of subsidiaries and VIEs | 1,605,003 | 231,170 | 1,108,029 | 1,121,079
Interest expense | (81,085) | (11,679) | (74,786) | (56,607)
Income before income tax expenses | 1,523,918 | 219,491 | 1,033,243 | 1,064,472
Net income | 1,523,918 | 219,491 | 1,033,243 | 1,064,472
Other comprehensive income/(loss) : |  |  |  |
Unrealized gain of available-for-sale securities | 134,768 | 19,411 |  |
Foreign currency translation adjustments, net of nil tax | (5,317) | (766) | 4,414 | 3,638
Comprehensive income attributable to YY Inc. | ¥ 1,653,369 | $ 238,136 | ¥ 1,037,657 | ¥ 1,068,110

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