>>98
main(){
int i, fibo[20], sum = 0;
fibo[0] = 1;fibo[1] = 1;
for(i=2; i<20; i++) fibo[i] = fibo[i-1] + fibo[i-2];
for(i=0; i<20; i++) sum += fibo[i];
printf("%d\n", sum);
}