TOANLE C++

#include <bits/stdc++.h>
using namespace std;
int n,a;
bool kq;

int main()
{
    freopen("TOANLE.inp","r",stdin);
    freopen("TOANLE.out","w",stdout);
    cin>>n;
    //scanf("%d",&n);
    kq=true;
    //printf("%d\n",n);
    while (n>0)
    {
        a=n%10;
        n=n/10;
        if (a%2==0)kq=false;
    }
    if(kq==true){printf("true");}
    else {printf("false");}
}