Untitled

#include <stdio.h>
int main()
{
    int a=0,b=1,n,i,c;
    scanf("%d",&n);
    for ( i = 1; i <= n; i++)
    {
        printf("%d, ",a);
        c=a+b;
        a=b;
        b=c;
    }
    
    return 0;
}