Input (grade 4): James Buchanan, Jr. (April 23, 1791 - June 1, 1868) was the 15th President of the United States from 1857 - 1861 and the last to be born in the 18th century.
Output (grade 5): James Buchanan (April 23, 1791 - June 1, 1868) was the 15th President of the United States.