const HEIGHT = parseInt( readline() ) const step = 5; const heightArr = [] const sumArr = [] for( let i = 0; i < step; i++ ) { if( i === 0 ) { heightArr.push( HEIGHT / 2 ) sumArr.push( HEIGHT ) }else { heightArr[ i ] = heightArr[ i - 1 ] / 2 sumArr.push( heightArr[ i - 1 ] * 2 ) } } const total = sumArr.reduce( ( total, current ) => total + current ) console.log( total.toFixed(6) ) console.log( heightArr[ step - 1 ].toFixed(6) )