#include<stdio.h>
int main(){
    int limit, t1 = 0, t2 = 1, nextTerm;
    printf("Enter an integer limit: ");
    scanf("%d", &limit);
    
    if (limit < 0){
        printf("Invalid input\n");
        retrun 1;
    }
    if (limit >= 0){
        printf("%d", t1);
    }
    if (limit >= 1){
        printf("%d", t2);
    }
    
    nextTerm = t1 + t2;
    while (nextTerm <= limit){
        printf(" %d", nextTerm);
        t1 = t2;
        t2 = nextTerm;
        nextTerm = t1 + t2;
    }
    printf("\n");
    return 0;
}