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) )

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