program example
	implicit none

	real(8) a,b,c

	read(*,*) a,b,c
    
    if(c>(sqrt(a)+sqrt(b))**2.0d0) then
    	write(*,*) "Yes"
        goto 1
    else
    	write(*,*) "No"
        goto 1
        
    end if

1 end program example