The countries also agreed to hold more discussions on reducing tension along their border and to reopen a military hotline.
Seoul and Beijing agreed in October to move beyond a year-long stand-off over the deployment of a USA anti-missile system in South Korea, a dispute that has been devastating to South Korean businesses that rely on Chinese consumers.
"All our state-of-the-art strategic weapons like atomic bombs, hydrogen bombs and intercontinental ballistic rockets are completely targeting the United States".
Moon credited Trump with having "made a huge contribution to make inter-Korean talks happen [and] I'd like to express my gratitude".
Putin added that the ultimate goal of denuclearlization could to be reached "if all the participants of the talks, including North Koreans, will be assured that their safety is possible without nuclear weapons". Both sides will also meet at the IOC's Lausanne headquarters on January 20 to discuss details of their participation.Only two North Korean athletes, figure skating pair RyomTae-Ok and Kim Ju-Sik, qualified for Pyeongchang, but they subsequently missed a deadline to register.
It remains unclear whether these disclosures by people close to the internal deliberations were simply psychological warfare aimed at sowing strategy-changing fear within the North Korean leadership or reflected Trump's serious intent.However, the administration's debate on whether to put greater emphasis on strike plans has slowed because of the North-South contacts and February's Winter Olympics to be hosted by South Korea.
Has Trump talked to North Korea's Kim?
President Donald Trump and South Korean President Moon Jae In had a phone call where they discussed recent talks between the two Koreas, but a major discrepancy exists between the US and South Korea's account of the call.
"You'll see that a lot with me", he said.
The U.S. and South Korea have stepped up an global pressure campaign against North Korea in recent months in an effort to force Pyongyang to abandon its nuclear ambitions.
Conservatives often support a more aggressive foreign policy because it leads to deterrence - scaring rogue actors like North Korea into deciding not to attack others and spark wars.
For the Pyeongchang hockey competition, Roh said South Korea wouldn't cut home-grown players from its squad in favour of North Koreans.
A robust worldwide show of support for non-military options is also aimed at the White House - even though the United States is co-host of the meeting, a source with direct knowledge of the preparations for the ministerial meeting told CBC News. Trump also reportedly pledged to send Vice President Mike Pence to head a senior USA delegation during the Pyeongchang Olympics. "It's hard to imagine any connection between these fully lawful, routine tests and the current crisis over North Korea".
No sitting USA president is known to have spoken with a North Korean leader.More news: Loyal Dog Walks 40 Miles to Find Previous Owners
He said South Korea also suggested resuming temporary reunions of families separated by war and offered military talks created to reduce animosities in front-line areas.
The restoration of the hotline was the second such move in a week. But North Korea reopened one of the channels last week as signs emerged of improving ties.
A South Korean official said Seoul believed the chance of a US strike was still low.
General Chun said Kim Jong-un and his family are "like a cult" that has brainwashed the population in a bid to prepare them for war. The inter-Korean dialogue was the first of its kind since December 2015. But animosities flared again several months later after the North's fourth nuclear test.
The dominant Korean Workers' Party, judicial authorities, and administrative officials are organizing members for their joint non-socialist elements team, he said.
In November 1987, almost a year before the Summer Games in Seoul, a South Korean airliner exploded, killing more than 100 people. He was hit five times but survived.
Despite agreement on the Olympics, the North gave no response to demands that it denuclearize.More news: President Trump deletes tweet as Iran crisis deepens
It is not known how many North Koreans will wind up participating. President Trump has publicly committed that North Korea would not be permitted to acquire the capacity of a nuclear strike on the mainland United States. The North views the drills as a rehearsal for an invasion.
U.S. President Donald Trump listens during a meeting with South Korean President Moon Jae-in and Japanese Prime Minister Shinzo Abe during the U.N. General Assembly in NY, U.S., September 21, 2017. "I don't want to comment on it-I don't want to comment, I'm not saying I have or I haven't".
When Kim addressed the nation on the first day of the new year, as he has done annually since 2013, he said that eliminating non-socialist elements in society would be a key task for 2018 in the repressive nation.
US Defense Secretary Jim Mattis said the drills will be conducted after the Games.
"We can not say talks are the sole answer", Moon added. "Hopefully, it will lead to success for the world, not just for our country, but for the world".More news: David Silva Tipped To Return As Manchester City Face Liverpool Test