View Code of Problem 23

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main() {
	int m,i;
	long int a[100];
	while(scanf("%d",&m)!=EOF){
		if(m==0)
			break;
		a[0]=1;
		a[1]=2;
		for(i=2;i<=m;i++){
			a[i]=a[i-1]+a[i-2];
		}
		printf("%ld\n",a[m-1]);
	}
}