import std.stdio, std.conv, std.string;

void main() {
    int n,m,k;
    scanf("%d %d %d", &n, &m, &k);

    foreach (i;0..(m+1)) {
	foreach (j;0..(n+1)) {
	    auto a = n*i + (m-2*i)*j;
	    if (a == k) { writeln("Yes"); return; }
	}
    }
    writeln("No");
}
