fMarked_++zyx+(+(x,y),z)+(x,+(y,z))+(f(x),f(y))f(+(x,y))+(f(x),+(f(y),z))+(f(+(x,y)),z)+(+(x,y),z)+(x,+(y,z))+(f(x),f(y))f(+(x,y))+(f(x),+(f(y),z))+(f(+(x,y)),z)Marked_+(+(x,y),z)Marked_+(x,+(y,z))Marked_+(+(x,y),z)Marked_+(y,z)Marked_+(f(x),f(y))Marked_+(x,y)Marked_+(f(x),+(f(y),z))Marked_+(f(+(x,y)),z)Marked_+(f(x),+(f(y),z))Marked_+(x,y)+(+(x,y),z)+(x,+(y,z))+(f(x),f(y))f(+(x,y))+(f(x),+(f(y),z))+(f(+(x,y)),z)Marked_+(+(x,y),z)Marked_+(x,+(y,z))Marked_+(+(x,y),z)Marked_+(y,z)Marked_+(f(x),f(y))Marked_+(x,y)Marked_+(f(x),+(f(y),z))Marked_+(f(+(x,y)),z)Marked_+(f(x),+(f(y),z))Marked_+(x,y)+110Marked_+110f210Marked_+(f(x),f(y))Marked_+(x,y)Marked_+(f(x),+(f(y),z))Marked_+(f(+(x,y)),z)Marked_+(f(x),+(f(y),z))Marked_+(x,y)+(+(x,y),z)+(x,+(y,z))+(f(x),f(y))f(+(x,y))+(f(x),+(f(y),z))+(f(+(x,y)),z)Marked_+(+(x,y),z)Marked_+(x,+(y,z))Marked_+(+(x,y),z)Marked_+(y,z)+(+(x,y),z)+(x,+(y,z))+(f(x),f(y))f(+(x,y))+(f(x),+(f(y),z))+(f(+(x,y)),z)Marked_+(+(x,y),z)Marked_+(x,+(y,z))Marked_+(+(x,y),z)Marked_+(y,z)Marked_+1Marked_+(+(x,y),z)Marked_+(y,z)Marked_+(+(x,y),z)Marked_+(x,+(y,z))+(+(x,y),z)+(x,+(y,z))+(f(x),f(y))f(+(x,y))+(f(x),+(f(y),z))+(f(+(x,y)),z)