use proconio::input;
use ac_library::Dsu;

const MOD: i64 = 998244353;
fn modpow(mut a: i64, mut e: i64) -> i64{
    let mut r: i64 = 1;
    while e > 0{
        r = if e&1 == 1{r*a%MOD} else{r};
        a = a*a%MOD;
        e >>= 1;
    }
    return r;
}

fn main(){
    input!{
        n: usize,
        q: usize,
        qs: [(usize, usize, usize); q],
    }

    let mut uf = Dsu::new(2*n);
    for &(t, u, v) in &qs{
        if t == 0{
            uf.merge(u-1, v-1);
            uf.merge(n+u-1, n+v-1);
        }else{
            uf.merge(u-1, n+v-1);
            uf.merge(v-1, n+u-1);
        }
    }

    for i in 0..n{
        if uf.same(i, n+i){
            println!("{}", 0);
            return;
        }
    }

    let mut cnt: i64 = 0;
    for i in 0..2*n{
        if uf.leader(i) == i{
            cnt += 1;
        }
    }
    println!("{}", modpow(2_i64, cnt/2));
}