//Fibonacci series
public class fibonacci
{
public static void main(String args[])
{
int a,b,c,n;a=0;b=1;c=0;n=3;
System.out.println("the series is");
System.out.println(a);
System.out.println(b);
do
c=a+b;
System.out.println(c);
a=b;
b=c;
n=n+1;
}
while(n<=20);
}
}
