#include<stdio.h>
void fibonacci(int n){
    a = 0,b = 1,next;
    
    if (n < 0) {
        printf("Invalid input\n");
        return ;
    }
    printf("%d %d",&a &b);
    for(int i = 2;i<n;i++){
        next = a + b;
        printf("%d", next);
        a = b;
        b = next;
    }
    printf("\n");
}
int main(){
    int n;
    scanf("%d",&n);
    fibonacci(n);
    return 0;
}