#include <stdio.h>

int main() {
    int n;
    printf("enter a no. \n");
    scanf("%d", &n);
    /* int i=0;
     while (i<=n){
    printf("%d \n",i);
     i++;} */
    for (int i=0;i<=n;i++){
    
    printf("%d \n",i);}
    return 0;
}