unittest
{
	assert( [ "2 2 2" ].parse.expand.solve == "Yes" );
	assert( [ "2 2 1" ].parse.expand.solve == "No" );
	assert( [ "3 5 8" ].parse.expand.solve == "Yes" );
	assert( [ "7 9 20" ].parse.expand.solve == "No" );
}



import std.conv;
import std.range;
import std.stdio;
import std.typecons;

void main()
{
	stdin.byLineCopy.parse.expand.solve.writeln;
}

auto parse( Range )( Range input )
if( isInputRange!Range && is( ElementType!Range == string ) )
{
	auto nmk = input.front.split.to!( long[] );
	return tuple( nmk[ 0 ], nmk[ 1 ], nmk[ 2 ] );
}

auto solve( long n, long m, long k )
{
	for( auto h = 0L; h <= n; h++ )
	{
		for( auto w = 0L; w <= m; w++ )
		{
			if( h * ( m - w ) + w * ( n - h ) == k ) return "Yes";
		}
	}
	return "No";
}
