A C-program to print fibonacci serese

In mathematics, the Fibonacci numbers are the numbers in the following integer sequence, called the Fibonacci sequence, and characterized by the fact that every number after the first two is the sum of the two preceding ones.

0,1,1,2,3,5,8………

in programing it achieve by  adding first 2 number

For example:

by adding first two number 0 + 1  we will get 1.

#include<stdio.h>;
void main()
{
   int  number1 , number2 , number3 , number4;
   printf( " Enter your number : n ");
   scanf( "%d" , &number1 );
   for( number2=0 , number3=1 , number4=0  ;  number1 >= 1 ;  number1-- )
   {
        printf("%dn",number2);
        number4=number2+number3;
        number2=number3;
        number3=number4;
   }
}

In above code number1 will accept number 1 from user and then using number2,number3 and number4 we will do our calculation and print Fibonacci sequence.