def f( m , r , n )
	a = m * ( 1 + r ) ** n
	return a
end

m = 10000
r = 0.05
n = 2
printf( "%d円を利率%3.2fで%d年間預けた時の元利合計は%d円です\n" , m , r , n , f( m , r , n ) )