Fibonacci

#include <stdio.h>
int sum_alg(int x) {
    int sum=0, y;
    while (x>0){
         y = x % 10;
         x/=10;
        sum+=y;
    }
    return sum;
}
int main()  {
    int A=0, B=1, C, N, SUM=0;
    scanf ("%d", &N) ;
    while(N) {
         C=A+B;
         B=A;
         A=C;
        if (C%2==0){
             N--;
            SUM+=C;
        }
        printf("%d ",C);
    }
    printf("\n%d %d", SUM, sum_alg(SUM));

}