Russian delegation held separate meetings with delegations of the United States and Japan here Tuesday in preparation for the six-party talks due to begin Wednesday in Beijing.

Russian and US delegations exchanged their impression on the prospect of the upcoming six-party talks.The US side said Russia's participation is likely a constructive factor,sources said.

Russian and Japanese delegations exchanged views on relevant issues of the six-party talks and expounded their positions.Sources said the two sides agreed that the consultation prior to the six-party talks was "helpful".

The six-party talks are scheduled to last for three days.